ZIP code 43512: Defiance
Defiance County · 28,208 residents
Tap water here comes from Maumee River water pulled through two river intakes and stored in a 74-acre upground reservoir before treatment, treated at Defiance City Water Treatment Plant. The water here
43512 in 10 facts
The 10 things that stand out about this ZIP against the other 1,232 in Ohio, each with its source.
- Where the water comes from Where the water here comes from: Maumee River water pulled through two river intakes and stored in a 74-acre upground (off-channel) reservoir before treatment, near the Maumee/Auglaize/Tiffin River confluence at Defiance. Source: EPA SDWIS
- Local history 1794 The town here was settled around 1794, earlier than 93% of the Ohio ZIPs with a researched town. Source: Ohio History Connection
- Violations 22 This ZIP's water system has more health-based violations than most: 22 since 2015, more than 99% of Ohio ZIPs on a public system. Source: EPA SDWIS (Envirofacts)
- Disinfection byproducts 71 µg/L Disinfection byproducts run higher than most here: 71 µg/L of total trihalomethanes in the latest yearly average (the limit is 80), more than 98% of Ohio ZIPs with a result. Source: EPA Six-Year Review 4 compliance monitoring data
- Spills 52 This ZIP has a lot of reported spills: 52 logged by Ohio EPA's emergency-response office since 2021, more than 98% of Ohio ZIPs. Source: Ohio EPA spills data
- Rail crossings 33 This ZIP has a lot of rail crossings: 33 public at-grade crossings, more than 98% of Ohio ZIPs. Source: FRA crossing inventory (Form 71, current)
- Power plants 2.3 mi This ZIP sits close to a large power plant: the nearest 100+ MW plant is 2.3 miles away, closer than 97% of Ohio ZIPs. Source: EIA-860
- Toxic sites 39.2 mi This ZIP sits far from a federal Superfund NPL site (listed, proposed or deleted after cleanup): the nearest is 39.2 miles away, farther than 94% of Ohio ZIPs. Source: EPA Facility Registry
- Toxic releases 288,603 lb Reported toxic releases run high here: 288,603 pounds released on site in 2024, more than 94% of Ohio ZIPs with a reporting facility. Source: EPA TRI data files
- Hospitals 1.2 mi This ZIP sits close to a hospital: the nearest general or critical-access hospital is 1.2 miles away, closer than 91% of Ohio ZIPs. Source: CMS Care Compare data
Local events in 43512
39 events in the next 90 days from 8 public calendars. All local events in 43512
Checked October 20; the events page is refreshed daily.
Your ballot
Who represents 43512, and what is on its ballot for the November 3, 2026 general election.
| Chamber | District | Member | Party |
|---|---|---|---|
| U.S. House | District 9 | — | — |
| Ohio Senate | District 1 | Rob McColley | R |
| Ohio House | District 82 (91% of residents) | Roy Klopfenstein | R |
| Ohio House | District 81 (9% of residents) | James M. Hoops | R |
U.S. House districts were redrawn for 2026 (Ohio Redistricting Commission, October 31, 2025). The district shown is the one on the November 3, 2026 ballot, which may differ from the district of your current representative.
This ZIP code is split between districts. Your street address decides which one is on your ballot; your county board of elections' sample ballot shows it.
Statewide races:
- Attorney General of Ohio: Keith Faber (Republican) · John Kulewicz (Democratic)
- Auditor of State of Ohio: Annette Blackwell (Democratic) · Frank LaRose (Republican)
- Governor of Ohio: Amy Acton (Democratic) · Don Kissick (Libertarian) · Vivek Ramaswamy (Republican)
- Secretary of State of Ohio: Tom Pruss (Libertarian) · Allison Russo (Democratic) · Robert Sprague (Republican)
- Justice of the Supreme Court (Full term commencing 1-1-2027): Dan Hawkins (Republican) · Marilyn Zayas (Democratic)
- Justice of the Supreme Court (Full term commencing 1-2-2027): Jennifer L. Brunner (Democratic) · Colleen O'Donnell (Republican)
- Treasurer of State of Ohio: Jay Edwards (Republican) · Seth Walsh (Democratic)
- U.S. Senator from Ohio: Sherrod Brown (Democratic) · Jon Husted (Republican) · Greg Levy (Other-party candidate) · Bill Redpath (Libertarian)
43512's district races:
- Ohio State Representative, District 81: Patti Rockey (Republican) · David Swanson (Democratic)
- Ohio State Representative, District 82: Christopher Elder (Libertarian) · Roy Klopfenstein (Republican) · Maddux McCray (Democratic)
- Ohio State Senator, District 1: Craig Riedel (Republican)
- U.S. Representative, Ohio's 9th District: Marcy Kaptur (Democratic) · Derek Merrin (Republican)
| Jurisdiction | Type | Question |
|---|---|---|
| Defiance County | Miscellaneous | Miscellaneous, for Charter Amendment: Section 1.12. |
| Defiance County | Tax Levy (Renewal/Increase) | Renews and increases a 1.65-mill property tax levy for the current expenses of library of Defiance County for 35 years, beginning in 2026. |
Matched to this ZIP by jurisdiction name: Adams Township, Adams Township Township, Auglaize Township, Auglaize Township Township, Defiance, Defiance City, Defiance Township, Defiance Township Township, Delaware Township, Delaware Township Township, Highland Township, Highland Township Township, Noble Township, Noble Township Township, Richland Township, Richland Township Township, Tiffin Township, Tiffin Township Township.
Last day of early in-person voting — 2026-11-01. Early in-person voting at county boards of elections ends on Sunday, November 1; the hours that day are 1 p.m. to 5 p.m. in the table above. By October 29, nearly 1.3 million Ohioans had already voted early in person or returned absentee ballots (Journal-News; Signal Ohio's counts from the Secretary of State's daily absentee file add to 1,289,090). The 2022 midterm saw 1.47 million early votes, then a record.
Where does the tap water come from?
Where the tap water comes from and what is in it: the lake, river, reservoir or aquifer behind every tap, the plant that treats it, and what the compliance record and the lab results say about it.
Where the water comes from
Inland riversMaumee River water pulled through two river intakes and stored in a 74-acre upground (off-channel) reservoir before treatment, near the Maumee/Auglaize/Tiffin River confluence at DefianceDefiance City Water Treatment Plant · Defiance City
Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water… · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey
Elevation 642–839 ft, averaging 713 ft · Defiance 659–743 ft, averaging 703 · Defiance County 647–880 ft (USGS 3DEP)
- primaryMaumee River Intake 1 · Maumee River
River pump station on the Maumee River that replenishes the 74-acre upground reservoir; river pumps are shut off during poor water quality and the plant draws from reservoir storage instead - secondaryMaumee River Intake 2 · Maumee River
Second river pumping intake on the Maumee River paired with Intake 1, feeding the same upground reservoir - storageDefiance City Reservoir · Maumee River (off-channel upground storage)
74-acre, ~350-million-gallon upground reservoir on Canal Road on the west side of Defiance that stores pumped Maumee River water, providing up to ~90 days of supply when river withdrawals are halted for water-quality reasons
Defiance City is owned by a local government, with 6,615 service connections serving 16,494 people; it has substantially implemented source water protection under Ohio's program. Office: 419-784-2201 (SDWIS).
EPA modeled the service boundary of Defiance City (random forest) rather than drawing it from the utility's map, so its edges are approximate.
Ohio EPA loans since 2016 for projects inside this ZIP: $29.2 million across 12 projects, $190,000 of it forgiven (wastewater $15.4M, drinking water $13.8M); largest: Defiance WTP GAC Facility HAB (Defiance, 2021, $9.9M); WWTP Improvements (Defiance, 2025, $7.2M); East High St. (Group 19) Inflow Reduction Project CSO (Defiance, 2018, $3.1M).
- Water bodies
- Maumee River
- Raw intakes
- Maumee River
Reservoir - Serves
- 16,494 people · Defiance County
- EPA ID
- OH2000111
About this area's water
Did you know
- The 350-million-gallon upground reservoir can keep Defiance supplied for up to about 90 days even if Maumee River pumping stops entirely - and in 2024 the city only pumped from the river on 236 of 365 days.
- The reservoir doubles as a maintenance workaround: crews can service the river intake structures, equipment, and pumps without interrupting water production.
- Sodium permanganate goes in before coagulation even begins, specifically to strip organics and head off taste-and-odor complaints from Maumee River algae.
- Defiance's water rate is quoted per 1,000 cubic feet, not per gallon - $61.71 per 1,000 cubic feet works out to $8.25 per 1,000 gallons, and the sewer rate is published on a different unit again ($5.54 per 100 cubic…
- Defiance is not just its own customer: the plant wholesales Maumee River water to the Ayersville Water and Sewer District, the Brunersburg Water District, and the Lake Christy Meadows Water Utility.
Source: cityofdefiance.comcityofdefiance.comcityofdefiance.com
History6
- 1956City completed an interceptor sewer and primary wastewater treatment plant at a cost of more than $2 million, responding to pollution of the Maumee and Auglaize Rivers from combined sewers built in…
- 1969Wastewater plant expanded from primary to secondary treatment, with new sanitary sewers built in underserved areas to relieve system overloading.
- 1989Renovation of 20-to-30-year-old process equipment completed at a cost of $11,711,000, allowing the plant to meet stricter discharge requirements.
- 1998Wastewater plant capacity increased from 4.0 MGD to 6.0 MGD, adding biological ammonia-nitrogen removal in the aeration tanks and allowing sewer service to be extended to the Village of Ayersville…
- 2008City completed a 74-acre, roughly 350-million-gallon upground reservoir (average depth 18 feet) fed from the Maumee River, acting as a pretreatment basin and an isolated supply during river…
- 2020City of Defiance and Ohio EPA signed a legal agreement to reduce the frequency and volume of combined sewer overflows; the resulting long-term control plan went to public hearing under the…
Source: cityofdefiance.comcityofdefiance.comcityofdefiance.com
Treatment & pressure
How it is treated
Maumee River water is drawn through river intakes and pumped to the city's 74-acre upground reservoir, which settles solids and buffers raw-water quality, then flows back to the Class IV plant. Treatment uses sodium permanganate for organics removal and taste-and-odor control, ferric chloride…
Source: cityofdefiance.comcityofdefiance.comcityofdefiance.com
Water pressure
No distribution pressure figure is published. The system relies on two one-million-gallon elevated water towers (2 million gallons combined) feeding 133 miles of waterline (the…
What it costs
$8.25 per 1,000 gallons
Typical household bill about $57 a month for water.
City of Defiance 2026 metered water rate is $61.71 per 1,000 cubic feet. Since 1,000 cubic feet = 7,480 gallons, that is $8.25 per 1,000 gallons. On top of usage, a monthly…
Source: cityofdefiance.comcityofdefiance.comcityofdefiance.com
Water quality & impurities10
| Contaminant | Level | Limit | Year |
|---|---|---|---|
| Total Trihalomethanes (TTHM) Highest level found as printed in the CCR; range of detections 25.2-71.8 ppb. No violation. | 72.0 ppb | 80 | 2024 |
| Haloacetic Acids (HAA5) Range of detections 6.0-12.5 ppb; no violation. | 12.3 ppb | 60 | 2024 |
| Turbidity Highest single result; range 0.01-0.58 NTU; 100% of samples met the turbidity limits. | 0.58 NTU | 1 (TT; 0.3 NTU… | 2024 |
| Total Organic Carbon (TOC) Range 1.9-2.4 ppm; naturally present. | 2.1 ppm | TT (removal… | 2024 |
| Nitrate (as N) Range 0.40-2.04 ppm; runoff from fertilizer use, typical of the agricultural Maumee watershed. | 2.04 ppm | 10 | 2024 |
| Fluoride Range 0.78-1.36 ppm; natural deposits plus water additive. | 1.13 ppm | 4 | 2024 |
| Barium Erosion of natural deposits. | 0.021 ppm | 2 | 2024 |
| Atrazine Runoff from herbicide used on row crops. | 0.07 ppb | 3 | 2024 |
| Simazine Range 0.048-0.049 ppb. | 0.049 ppb | 4 | 2024 |
| Total Chlorine Range 0.96-1.26 ppm; water additive used to control microbes. | 1.16 ppm | 4 (MRDL) | 2024 |
Source: cityofdefiance.com
EPA compliance record
Lead at the tap: 90th-percentile result 2.5 ppb in 2025 (action level 15 ppb).
EPA health-based violations since 2015:
- 2022Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.105 MG/L (limit 0.08 MG/L) · returned to compliance
- 2021Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.106 MG/L (limit 0.08 MG/L) · returned to compliance
- 2020Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.091 MG/L (limit 0.08 MG/L) · returned to compliance
- 2019Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.094 MG/L (limit 0.08 MG/L) · returned to compliance
- 2018Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.094 MG/L (limit 0.08 MG/L) · returned to compliance
- 2018Lead and Copper Rule · water quality limits for corrosion control not met · returned to compliance
- 2017Lead and Copper Rule · water quality limits for corrosion control not met · returned to compliance
- 2017Total trihalomethanes (TTHM) · above the legal limit on average · measured 0.09 MG/L (limit 0.08 MG/L) · returned to compliance
EPA's count of 22 includes 14 repeat quarterly violations of the problems listed.
12 violations of any kind logged since 2020: 1 for a report, record or notice that was missing, late or incomplete (the yearly water quality report, a public notice, lead line records); 11 health-based.
Projects & plans9
Recent and current work
- Wastewater plant upgrade (headworks, septage receiving, bar screens) · $4.8 million · 2025 · proposed
Largest item in the roughly $7.8 million 2025 water/sewer capital plan previewed to city council in October 2024; funded from water and sewer user charges.… - Domersville Road water line replacement · $1.6 million · 2025 · proposed
From the 2025 water/sewer capital improvement plan presented to council. - Sewer lining and repairs, including Pleasant St. and Greenhouse Ave. septic-to-sewer conversion · $350,000 · 2025 · proposed
From the 2025 water/sewer capital improvement plan presented to council. - Water plant lime feed improvements · $125,000 · 2025 · proposed
Required by Ohio EPA; supports the plant's lime softening step. - Water plant clarifier repainting · $100,000 · 2025 · proposed
From the 2025 water/sewer capital improvement plan. - Miscellaneous waterline replacement · $100,000 · 2025 · proposed
From the 2025 water/sewer capital improvement plan. - Water plant carbonic system · $75,000 · 2025 · proposed
Supports the recarbonation/pH adjustment step.
Source: crescent-news.com
Planned or needed
- Combined sewer overflow Long Term Control Plan · planned
Required by the 2020 legal agreement between the city and Ohio EPA; the proposed plan includes projects at the wastewater treatment plant and in the collection… - Ottawa Avenue Corridor Improvements - Phase 2 · 2026 · under construction
Reconstruction of a portion of Ottawa Avenue including drainage improvements, sidewalks, curbs, and multi-use paths. No cost is published on the city projects…
Supply stress
The Maumee River source is highly exposed: Ohio EPA's source water assessment treats all surface water as susceptible, and Defiance's protection area is specifically susceptible to agricultural runoff (animal feedlots, pesticide and fertilizer storage and application), industrial and commercial sources, junkyards, above-ground storage…
Source: cityofdefiance.comcityofdefiance.comcityofdefiance.com
Sewers
Sanitary
City-owned wastewater treatment plant, 6.0 MGD since the 1998-2000 upgrade with biological ammonia-nitrogen removal, discharging to the Maumee River; serves Defiance plus extended service to the Village of Ayersville via an interceptor sewer system dating to 1956. Much of the collection system is COMBINED (sanitary plus stormwater), a…
Storm
Where separate storm sewers exist, the city holds an Ohio EPA NPDES Municipal Separate Storm Sewer System (MS4) permit and follows a Stormwater Management Plan. We found no dedicated stormwater utility or monthly stormwater fee.
Source: cityofdefiance.comcityofdefiance.comdam.assets.ohio.gov
Sourcesverified
Compiled from the utility's own reports and public records, then independently re-checked against primary sources.
Water systems in this ZIP
- Defiance City60% of residentsMaumee River (via 74-acre upground reservoir)
36% of residents live outside every mapped system, most likely on private wells.
Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water Rate Survey (Ohio State, May 2025) for household bills; Ohio EPA DEFA loan awards since 2016 for the loans paragraph · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey
Infrastructure in this ZIP
75.0 mi of highway (SR 66, SR 15, US 24) · 37.5 mi of railroad (CSX, Napoleon, Defiance & Western Railway, Private) · 86.2 mi of gas transmission pipeline (ANR Pipeline (TC Energy), Panhandle Eastern (Energy Transfer), Rover Pipeline (Energy Transfer)) · 63.1 mi of electric transmission line (AEP Ohio) · 2 airfields or heliports (Defiance Memorial, Defiance Regional Medical Center) · 1 sewage plant (Defiance WWTP) · 28 combined sewer overflows · 10 dams (Oxbow Lake Dam, Defiance Upground Reservoir, Independence Dam) · 2 power plants (Richland, Auglaize Hydro) · 10 substations · 1 gas compressor, storage field or plant (Defiance) · 4 major bridges (Usr 24 over Maumee River, Sr15 over Maumee River, SR 281 Domersville over E. River Rd&maumee) · 42 grade crossings (Napoleon, Defiance & Western Railway, CSX, Norfolk Southern) · 16 registered towers · 4 public EV charger listings · 3 landfills or waste sites, open and closed (Defiance County Sanitary Landfill, General Motors Llc, Defiance Wwtp) · 2 pipeline incidents since 2010 · 2 hospitals (Defiance Regional Medical Center, Mercy Health - Defiance Hospital, Llc) · 7 fire or EMS stations · 2 police stations · 1 post office · 6 USGS stream gauges (Tiffin River near Evansport OH, Auglaize River near Defiance OH, Maumee River near Defiance OH) · 3 water towers or tanks in OpenStreetMap · 2 water works or pumping stations in OpenStreetMap · 42.1 mi of trail and bike route · 65 bridges and culverts in the inventory · 26 sites with underground fuel tanks in use · 3 open leaking-tank releases · 15 other permitted dischargers (General Motors Llc - Defiance, Airway Estates Mhc, Anr Pipeline Company - Defiance Compressor Station) · 3 boat ramps or water access sites · 3 hazardous waste handlers · 1 weather station (Defiance) · 19 source water protection zones (Defiance City, Faith Baptist Church-Defiance, Independence Education Center) · 1 stormwater (MS4) permit area (City of Defiance) · 65 biosolids application fields (sludge from Defiance WWTP, Campbell Soup Supply Company, Napoleon WWTP) · 2 permitted livestock facilities (Hillandale Farms, River Bend Swine) · 13 brownfield or cleanup sites · 6 broadcast transmitters (WONW, WZOM, WGDE) · 1 911 call center (Defiance County E911 Communications Center) · 1 tire or battery drop-off site · 1 mining permit area (Kev Properties (permit IM-2454)) · 1 ODOT facility (Defiance Full Service Facility) · 6 traffic signals.
Draw them43 layers on the mapIntakes and plants
Inland riversMaumee River water pulled through two river intakes and stored in a 74-acre upground (off-channel) reservoir before treatment, near the Maumee/Auglaize/Tiffin River confluence at DefianceDefiance City Water Treatment Plant · Defiance City
Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water… · EPA SDWIS · Ohio EPA source water protection
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Violations
Eight or more22 health-based violations since 2015Defiance City · lead 2.5 ppb (2025) · 12 of any kind since 2020
Source: EPA SDWIS (Envirofacts, pulled September 2026): health-based violations since 2015, all violations since 2020, lead and copper 90th-percentile results, for the system serving most of the ZIP · EPA SDWIS (Envirofacts) · EPA ECHO
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Disinfection byproducts
60 to 80TTHM 71 µg/L (2019)Defiance City · HAA5 28 · worst year 82
Source: EPA Six-Year Review 4 compliance monitoring data, 2012 to 2019: total trihalomethanes and haloacetic acids (HAA5) sampled in the distribution system, nitrate, arsenic, combined radium, gross alpha and uranium at entry points; yearly means…
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PFAS
Trace PFAS, under the federal limitPFAS detected below the federal limitDefiance City · UCMR 5, 6 samples · Ohio EPA 2020
Source: EPA UCMR 5 occurrence data (final release, August 2026: 29 PFAS and lithium at 347 Ohio systems) and Ohio EPA statewide PFAS sampling 2019 to 2021 (1,479 systems), for the system serving most of each ZIP; Ohio EPA water treatment plant… · Ohio EPA PFAS
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Lead
Under 5 ppbLead 2.5 ppb at the 90th-percentile tapDefiance City · period ending 2025-12 · 613 of 7,431 service lines lead or galvanized, 1,758 unknown
Source: SDWIS lead and copper 90th-percentile tap results (Envirofacts) and EPA's service line inventory dashboard (2026 Q2 submissions), for the system serving most of each ZIP; Ohio Department of Health high-risk ZIP code list for childhood… · ODH childhood lead testing · ODH high-risk ZIP list (CCBH PDF) · Ohio EPA lead and copper · H2Ohio
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Fluoride and treatment
FluoridatedFluoridatedDefiance City · corrosion control, coagulation and settling, chlorine disinfection, iron and manganese removal
Source: CDC My Water's Fluoride (fluoridation status of each system as reported by the Ohio Department of Health, fetched 2026-09-10); SDWIS treatment table (Envirofacts): each system's registered treatment steps, inherited from the supplier for… · EPA SDWIS search
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Algal toxins
5 to 20 µg/LRaw water up to 5 µg/L microcystinDefiance City · 2019-07
Source: Ohio EPA public water system harmful algal bloom monitoring (geo.epa.ohio.gov DrinkingWater/HAB): microcystin results in raw and treated water since 2016 for surface-water systems, for the system serving most of each ZIP · Ohio EPA HAB information for public water systems
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Groundwater
100 to 120DRASTIC 104 · Limestone1,542 well logs · median 78 ft deep · 4 karst and spring points
Source: ODNR Division of Geological Survey: DRASTIC groundwater vulnerability polygon at each ZIP's population center, mapped karst features, and the state water well log inventory (about 655,000 logs) counted inside each ZIP; ODNR glacial… · ODNR Geological Survey · Ohio EPA GIS services · USGS water data
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Aquifer
Under 10% sensitive7% sensitive geologic settingunder 0.5% wellhead protection
Source: Ohio EPA Sensitive Geologic Settings (geology/Geology layer 0) intersected with ZCTA polygons; ODNR karst geology at the ZIP center (layer 7, point query) and karst and spring points (layer 5); Ohio EPA source water protection areas… · Ohio EPA geology layers · Ohio EPA source water protection (SWAP) · ODNR Geological Survey
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Sewage plants
Every quarter in violationDefiance Wwtp · 3.7 mi12 of 12 quarters in violation · combined sewer overflows · 12 MGD
Source: EPA ECHO Clean Water Act facilities, Ohio NPDES permits with a publicly owned treatment works component, plants of 0.1 MGD or more or designated major: nearest plant, design flow, significant-noncompliance status, quarters in… · EPA ECHO · EPA CSO inventory · Ohio EPA GIS services · EPA Facility Finder
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Stream health
Half to three quarters68% of the land drains to streams failing aquatic lifeEagle Creek-Auglaize River · bacteria (pathogens), sediment and silt
Source: EPA ATTAINS, Ohio 2024 Integrated Report assessment units (1,545 watershed polygons) overlaid on ZCTAs in Albers equal-area with the Lake Erie units clipped out: share of land in units not supporting aquatic life, recreation, fish… · EPA ATTAINS · Ohio integrated report · Ohio sport fish advisory · Ohio EPA advisory map
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Watershed
Drains to Lake ErieAuglaize subbasinEagle Creek-Auglaize River · drains to Lake Erie
Source: USGS Watershed Boundary Dataset: HUC-8 subbasins by resident share (2020 census blocks) and the HUC-12 subwatershed at each ZIP's population-weighted center with its downstream chain; USGS county water use 2015 (Dieter and others 2018) for… · USGS watershed boundaries · EPA EnviroAtlas · Ohio EPA 401 map · ODNR Water Withdrawal Atlas (archived copy) · USGS county water use 2015 · ODNR H2Ohio projects · ODNR Lake Erie Coastal Management Area · Ohio EPA source water protection (SWAP) · Ohio EPA nine-element plans · Ohio EPA 319, GLRI and SWIF project lists · Ohio EPA chloride reduction grants · NOAA Lake Erie water levels
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Home
The houses themselves and what they cost: who lives in them, what a typical one looks like down to the parcel record, how much new housing has gone up, and what a household pays in property tax.
Homes and income
$100,000 to $175,000Median home $158,800household income $71,841 · rent $860 · 77% own
Source: Census ACS 2020-2024 5-year by ZCTA: median home value, median gross rent, median household income, owner share, median year built; Eviction Lab tract estimates 2016 to 2018 (Gromis and others 2022), population-weighted to ZIPs; HUD fiscal… · Census ACS · Eviction Lab · HUD data · IRS ZIP statistics · Mapping Inequality · HUD eGIS open data · FDIC BankFind · NCUA call report data
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House by house
1960 to 1979Median year built 196410,452 homes · $142K median appraised
Source: Residential parcels (Ohio land-use classes 500 to 599, apartments 401 to 403, farmhouses) placed in ZIPs by scripts/join_parcels.py on 2026-09-15, the houses loading on demand; county auditors' appraisal records, house by house (year… · Defiance County Auditor · Henry County Auditor · Paulding County Auditor · Williams County Auditor
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Building permits
5 to 15160 housing units permitted 2016 to 2025Defiance · 9.7 per 1,000 residents · 17 in 2025
Source: Census Bureau Building Permits Survey, annual place files 2016 to 2025: new privately owned housing units, buildings and construction value authorized by each Ohio permit office, given to each ZIP through the jurisdiction where most of its… · Census building permits
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Home prices
75 to 100%+76% in ten years+51% in five · +4% in 2025
Source: FHFA House Price Index, annual five-digit ZIP all-transactions series (repeat sales and refinance appraisals of conforming-mortgage homes, developmental, not seasonally adjusted): ten-, five- and one-year changes and the level against… · FHFA house price index · Zillow research data · Realtor.com data
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School tax
25 to 30 mills26.8 effective school millsDefiance City · about $1,877 a year on a $200,000 home
Source: Ohio Department of Taxation, Aggregate Property Tax Rates by School District, tax year 2025 (DTE 515), joined by IRN and weighted by each ZIP's residents in every district; school levies only; Ohio Department of Taxation The Finder rate… · Ohio tax data series · The Finder
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Utilities and getting around
The companies and networks that keep a house running and a resident moving: electric, gas, phone and internet service, and the roads, transit, rail and airports around it.
Electric
Toledo EdisonToledo EdisonInvestor-owned utility
Source: PUCO certified electric territories via ODOT plus HIFLD municipal systems (EIA-861) with ODOT corporate limits; EIA-861 reliability (outages), sales to ultimate customers (residential prices and bills), net metering and advanced meters by… · PUCO electricity · ODOT territories service · EIA-861 · DOE LEAD Tool · HIFLD retail service territories
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Gas
15 small regulated companiesOhio Gas CompanySmall PUCO-regulated company · 52% of homes heat with utility gas
Source: PUCO 2026 county map of gas distribution companies, HIFLD/EIA-176 territory polygons, ACS 2020-2024 heating fuel · PUCO natural gas · HIFLD
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Power plants
A 100 MW+ plant under 5 milesRichland · 2.3 migas, 369 MW · 2 plants within 10 miles
Power plants within 10 miles
-
Richland 100 MW or moreNatural gas · 369 MW · 2.3 mi
- Capacity
- 369 MW
- By fuel
- natural gas 358 MW, oil 11 MW
- Main source
- Natural gas
- Technology
- Natural Gas Fired Combustion Turbine; Petroleum Liquids;
- Operator
- Richland-Stryker Generation LLC
- Sector
- IPP Non-CHP
- Where
- Defiance, Defiance County
- Generating units
- 6
- Built
- 1965 (first unit); newest unit 2001
- EIA plant code
- 2880
EIA plant page ↗ EIA-860 (source) ↗ Street map and directions ↗
-
Auglaize HydroHydroelectric · 4 MW · 3.5 mi
- Capacity
- 4 MW
- Main source
- Hydroelectric
- Technology
- Conventional Hydroelectric
- Operator
- City of Bryan - (OH)
- Sector
- Electric Utility
- Where
- Bryan, Defiance County
- Generating units
- 6
- Built
- 1986 (first unit); newest unit 2004
- EIA plant code
- 7657
EIA plant page ↗ EIA-860 (source) ↗ Street map and directions ↗
Source: EIA-860 power plant inventory via HIFLD (February 2025), with plant codes, units and years from EIA-860 2025. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: EIA-860 power plant inventory via HIFLD (202 Ohio plants, February 2025): nearest plant, nearest plant of 100 MW or more, plants and capacity by fuel within 10 miles; USGS U.S. Wind Turbine Database (June 2026) and U.S. Large-Scale Solar… · EIA-860 · HIFLD · USGS wind turbines · USGS solar · NRC emergency planning zones
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Pipelines
Half a mile to 1 mileNearest transmission line 0.8 miPanhandle Eastern PL Co (interstate) · 86.2 mi of pipe in the ZIP
Source: EIA natural gas interstate and intrastate transmission pipelines via Esri's Federal User Community copy on ArcGIS Online (data last updated July 2025; 1,239 segments in and around Ohio): miles inside each ZIP by operator, distance from the… · EIA U.S. Energy Atlas · ArcGIS Online item
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Phone
Brightspeed (formerly CenturyLink)BrightspeedIncumbent telephone company
Source: PUCO Telecom map service, layer 7 ILEC Company Service Area (incumbent local exchange carriers, fetched 2026-09-08) by resident share of 2020 census blocks · PUCO telephone
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Internet
2 to 5% lack it97% can get 100/20 Mbpsfiber 76% · cable 73% · 12,850 locations · 3% unserved
Source: FCC Broadband Data Collection, June 2024, fixed availability by H3 hexagon (Esri Living Atlas, Ohio subset); Census ACS 2020-2024 table B28002 internet subscriptions; Ookla Open Data fixed speed tests 2025 Q2 by tile, averaged inside the… · FCC broadband map · Ookla open data · Census ACS
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Cell signal
5G nearly everywhere5G on 95% of the land4G or better 100% · AT&T 99% · T-Mobile 91% · Verizon 100%
Source: FCC Mobile Broadband Data Collection, carrier-reported 4G LTE and 5G coverage by H3 hexagon (Esri Living Atlas layer last updated 24 November 2025, most likely the June 30, 2025 filing round), fetched 2026-09-08; FCC Antenna Structure… · FCC broadband map · FCC antenna registration · Ookla open data
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EV chargers
DC fast charger under 2 milesFast charger 1.6 mi: Estle Cadillac4 public stations in the ZIP (2 Level 2, 3 DC fast ports) · 4 within 5 miles of its center
Public EV charging inside ZIP 43512
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EVPassport - FriendsOffice1 Level 2 · Defiance · 0.6 mi
- Address
- 1041 Perry St, Defiance, OH 45840
- Ports
- 1 Level 2
- Plugs
- J1772
- Network
- Non-Networked
- Hours
- 24 hours daily
- Price
- $0.35 per kWh
- Phone
- 888-702-2124
Station Locator (NREL) ↗ Alternative Fuels Data Center (source) ↗ Street map and directions ↗
-
Estle Cadillac DC fast2 DC fast · Defiance · 1.6 mi
- Address
- 1515 N. Clinton St., Defiance, OH 43512
- Ports
- 2 DC fast
- Plugs
- CCS
- Network
- EV Connect
- Hours
- 24 hours daily
- Phone
- 866-816-7584
Station Locator (NREL) ↗ Alternative Fuels Data Center (source) ↗ Street map and directions ↗
-
Stykemain Buick GMC LTD. DC fast1 DC fast · Defiance · 2.4 mi
- Address
- 25124 Elliot Rd, Defiance, OH 43512
- Ports
- 1 DC fast
- Plugs
- CCS
- Network
- EV Connect
- Hours
- 24 hours daily
- Phone
- 866-816-7584
Station Locator (NREL) ↗ Alternative Fuels Data Center (source) ↗ Street map and directions ↗
-
Mark Moats Ford Inc1 Level 2 · Defiance · 3.1 mi
- Address
- 20793 County Rd 424, Defiance, OH 43512
- Ports
- 1 Level 2
- Plugs
- J1772
- Network
- Non-Networked
- Hours
- 24 hours daily
- Price
- Free
- Phone
- 419-784-5444
Station Locator (NREL) ↗ Alternative Fuels Data Center (source) ↗ Street map and directions ↗
Source: NREL Alternative Fuels Data Center station list (May 2026), public and open stations, the posts at one address counted as one site. Miles are straight-line from the ZIP's population-weighted center.
Source: NREL Alternative Fuels Data Center station list as of May 29, 2026 (USDOT BTS copy: 2,136 Ohio electric stations, of which the 1,850 public and open are used, NREL restricted-access records such as dealer-service and hotel-guest chargers… · Alternative Fuels Data Center · BTS Alternative Fueling Stations (NTAD)
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Transit
No transit stop within half a mile of anyone0% within half a mile of a stop0 stops in the ZIP
None inside the ZIP; the nearest station or terminal
-
Petro Gas StationIntercity bus stop · Greyhound Lines · 16.5 mi
- What it is
- Intercity bus stop
- Operator
- Greyhound Lines
- City
- Napoleon
- Coordinates
- 41.41806, -84.10431
BTS Intermodal Passenger Connectivity Database (source) ↗ Street map and directions ↗
Source: BTS Intermodal Passenger Connectivity Database and National Transit Map (2025). Bus stops are counted on the card and drawn on the full map. Miles are straight-line from the ZIP's population-weighted center.
Source: USDOT BTS National Transit Map stops (National Transportation Atlas Database, 2025 vintage, fetched September 2026), plus the Springfield, Lancaster-Fairfield, Knox County Transit, WayGo and BGSU Shuttle GTFS feeds: share of residents… · BTS National Transit Map · BTS transportation atlas · Springfield City Area Transit GTFS feed · Lancaster-Fairfield Public Transit GTFS feed · Knox County Transit GTFS feed · WayGo GTFS feed · BGSU Shuttle GTFS feed
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Walkability
Below average (5.76 to 10.5)Walkability 6.3 of 2036 intersections per square mile · 0% near transit
Source: EPA National Walkability Index (Smart Location Database 3.0, 2021) by block group, population-weighted to ZIPs through 2020 census block points; car-free household share from Census ACS 2020 to 2024 table B25044, or where missing the Smart… · EPA walkability index · Smart Location Database · Census ACS
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Rail crossings
26 or more33 public crossings13 gated · up to 43 trains a day · Napoleon, Defiance & Western Railway
Source: FRA Grade Crossing Inventory (current records, Ohio): open at-grade crossings inside each ZIP, gates, trains a day at the busiest, timetable speed, railroads; nearest crossing to the population-weighted center; FRA highway-rail grade… · FRA crossing inventory (Form 71, current) · FRA crossing incidents (Form 57) · FRA rail equipment accidents (Form 54) · FRA safety data · DOT open data
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Bridges
No bridge rated poor65 bridges, 0 rated poortypical build year 1992 · busiest Sr15, 27,320 vehicles a day
Source: FHWA National Bridge Inventory 2025 (26,713 Ohio structures; 26,616 fall inside a ZIP area and are counted, the other 97 land outside every ZIP polygon): bridges inside each ZIP, poor-condition ratings, ages, traffic · FHWA bridge inventory · ODOT TIMS bridge inventory (live)
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Traffic
20,000 to 50,00022,983 vehicles a day on US 247,907 trucks · 817K vehicle-miles a day inside the ZIP
Source: ODOT traffic count segments (2025 annual average daily traffic by road segment, ODOT Transportation Information Mapping System): segments assigned to the ZIP holding their midpoint; NHTSA Fatality Analysis Reporting System 2020 to 2024… · ODOT TIMS traffic count segments · NHTSA FARS
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Airports and Amtrak
30 to 50 milesTOL · 35.7 miEugene F Kranz Toledo Express · Amtrak at Bryan 16.9 mi
Source: FAA airport facilities (NASR landing-facility record) and Amtrak stations via USDOT BTS National Transportation Atlas Database, fetched September 2026: nearest airport with scheduled airline service (Part 139 class I), nearest public-use… · BTS transportation atlas
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Land, air and risk
The ground itself and what can go wrong on it: radon, flood risk, air quality, old mines and wells, and the parks, wetlands and open land still left.
Radon
2 to 4 pCi/L3.6 pCi/L average radon78 tests · 37% above 4 pCi/L · median 2.6
Source: Ohio Department of Health radon test results by ZIP code since 2010 (pre-mitigation), ZIPs with five or more tests · ODH radon program
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Flood
2 to 5%4.2% of residents in the 1% floodplain6% of the land is floodplain, 0% more in the 0.2% zone · zone AE
Source: FEMA National Flood Hazard Layer, flood hazard zones, fetched 2026-09-08; OpenFEMA NFIP redacted claims for Ohio (frozen June 2026), by reported ZIP; USGS NWIS annual peak flows for the nearest active stream gauge; NOAA Atlas 14… · FEMA flood hazard layer · FEMA Map Service Center · OpenFEMA · NOAA Atlas 14 · USGS stream gauges
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Hazard risk
60 to 80Risk score 66 · higher than about 66% of US tractsStrong wind 88 · Hail 85
Source: FEMA National Risk Index, census tracts, December 2025 release, population-weighted to ZIPs · FEMA National Risk Index · NRI census tract layer (ArcGIS)
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Climate
20 to 30 inches24" of snow a year · 50.4°F averageJanuary low 18° · July high 85° · 38" of precipitation
Source: NOAA NCEI 1991-2020 U.S. Climate Normals, annual and monthly, 261 Ohio stations; each ZIP takes the nearest station reporting each element from its population-weighted center; U.S. Drought Monitor weekly county statistics 2000 to 2026… · NOAA climate normals · NOAA climate at a glance · U.S. Drought Monitor
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Air
8.5 to 9PM2.5 8.8 µg/m³ at Lima, 38.7 miozone 66 ppb at Waterville
Source: EPA Air Quality System 2025 annual summaries: nearest PM2.5 and ozone monitors from each ZIP's population-weighted center, county AQI day counts; EPA ECHO Clean Air Act permitted sources in Ohio (air_rest_services, September 2026); EPA… · EPA air data files · EPA AirToxScreen · EPA Green Book · EPA ECHO
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Toxic sites
15 miles or moreNearest NPL site 39.2 mi: Fort Wayne Reduction Dump18 toxic-release reporters · 4 Superfund program sites in the ZIP
Superfund sites inside ZIP 43512
-
Defiance Precision Products SiteSuperfund program · Defiance · 0.3 mi
- Address
- 723 and 733 Perry Street, Defiance, OH 43512
- County
- Defiance County
- Status
- Superfund program site, not on the National Priorities List
- EPA program ID
- OHN000508905
- EPA registry ID
- 110071101964
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Glycerin Traders LlcSuperfund program · Defiance · 0.7 mi
- Address
- 815 Greenler St, Defiance, OH 43512
- County
- Defiance County
- Status
- Superfund program site, not on the National Priorities List
- EPA program ID
- OHN000522240
- EPA registry ID
- 110004679786
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Zeller 1Superfund program · Defiance · 0.9 mi
- Address
- 1307 Baltimore Street, Defiance, OH 43512
- County
- Defiance County
- Status
- Superfund program site, not on the National Priorities List
- EPA program ID
- OHN000509939
- EPA registry ID
- 110000383567
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Sk HandtoolSuperfund program · Defiance · 1.2 mi
- Address
- 135 Hickory St., Defiance, OH 43512
- County
- Defiance County
- Status
- Superfund program site, not on the National Priorities List
- EPA program ID
- OHN000510633
- EPA registry ID
- 110000383558
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
Source: EPA Facility Registry Service, Superfund (SEMS) and National Priorities List sites. Many program sites were assessed and needed no cleanup. Miles are straight-line from the ZIP's population-weighted center.
Source: EPA Facility Registry Service: Superfund NPL and SEMS sites, Toxics Release Inventory reporters (EPA geoplatform), fetched 2026-09-08; the nearest NPL site also considers sites in PA, WV, KY, IN and MI within about 20 miles of the border… · EPA Facility Registry · EPA Superfund sites · Ohio EPA cleanup sites · EPA UST Finder · EPA ECHO
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Toxic releases
100,000 to 1 million lb288,603 lb released on site in 20246 facilities · Johns Manville Corp Plant 8 · 42 lb to water
Facilities reporting toxic releases inside ZIP 43512
-
Johns Manville Plant No 2Toxics Release Inventory · Defiance · 0.4 mi
- Address
- 408 Perry Street, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512MNVLLTHIRD
- EPA registry ID
- 110000745739
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Defiance Stamping CoToxics Release Inventory · Defiance · 0.6 mi
- Address
- 1090 Perry St., Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512DFNCS1090P
- EPA registry ID
- 110002109637
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Diehl IncToxics Release Inventory · Defiance · 0.6 mi
- Address
- 24 N. Clinton St., Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512DHLNC24NOR
- EPA registry ID
- 110001129430
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Defiance Metal Products CoToxics Release Inventory · Defiance · 0.7 mi
- Address
- 21 Seneca St, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory
- EPA program ID
- 4351WDFNCM21SEN
- EPA registry ID
- 110004597829
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Zeller 1Toxics Release Inventory · Defiance · 0.9 mi
- Address
- 1307 Baltimore Street, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512ZLLRC1307B
- EPA registry ID
- 110000383567
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Johns Manville International, Inc. - Plant 3 (0320010004)Toxics Release Inventory · Defiance · 1.1 mi
- Address
- 1410 Columbus Avenue P.O. Box 7188, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512MNVLLCOLUM
- EPA registry ID
- 110006195777
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Sk HandtoolToxics Release Inventory · Defiance · 1.2 mi
- Address
- 135 Hickory St., Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512SKHND135HI
- EPA registry ID
- 110000383558
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Dinner Bell Foods IncToxics Release Inventory · Defiance · 1.3 mi
- Address
- 1340 W High St, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512DNNRB1340W
- EPA registry ID
- 110002109646
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
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Defiance Precision ProductsToxics Release Inventory · Defiance · 1.5 mi
- Address
- 1190 Precision Way, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512DFNCP1190P
- EPA registry ID
- 110002346202
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Gt TechnologiesToxics Release Inventory · Defiance · 1.6 mi
- Address
- 1125 Precision Way, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512DFNCP1125P
- EPA registry ID
- 110000383512
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Koester Metals, Inc.Toxics Release Inventory · Defiance · 1.6 mi
- Address
- 1441 Quality Dr., Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512KSTRM1441Q
- EPA registry ID
- 110000383530
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Standridge Color CorpToxics Release Inventory · Defiance · 1.9 mi
- Address
- 1160 Integrity Dr, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512STNDR116IN
- EPA registry ID
- 110025332691
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Johns Manville International Inc Plant No 8Toxics Release Inventory · Defiance · 2.1 mi
- Address
- 925 Carpenter Road, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512MNVLLCARPE
- EPA registry ID
- 110000383549
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Tessenderlo Kerley IncToxics Release Inventory · Defiance · 2.2 mi
- Address
- 1655 Plummer Dr, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (***unchanged***)
- EPA program ID
- 4351WTSSND1655P
- EPA registry ID
- 110072053610
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Tessenderlo KerleyToxics Release Inventory · Defiance · 2.2 mi
- Address
- 1655 Quality Dr, Defiance, OH 43512
- County
- Defiance County County
- Status
- Reports to the Toxics Release Inventory (***unchanged***)
- EPA program ID
- 4351WTSSND1655Q
- EPA registry ID
- 110072215068
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Metal Management OhioToxics Release Inventory · Defiance · 3.7 mi
- Address
- 27063 Oh-281, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512THSCCSTATE
- EPA registry ID
- 110006108577
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Gm Defiance Casting OperationsToxics Release Inventory · Defiance · 3.7 mi
- Address
- 26427 State Route 281, Defiance, OH 43512
- County
- Defiance County
- Status
- Reports to the Toxics Release Inventory (active)
- EPA program ID
- 43512GMCXXSTATE
- EPA registry ID
- 110000383521
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
-
Defiance Metal ProductsToxics Release Inventory · Defiance · 4.5 mi
- Address
- 06728 State Rt 66 N, Defiance, OH 43512
- County
- Defiance County County
- Status
- Reports to the Toxics Release Inventory
- EPA program ID
- 4351WDFNCM6728S
- EPA registry ID
- 110042000928
EPA facility record ↗ EPA Facility Registry Service (source) ↗ Street map and directions ↗
Source: EPA Facility Registry Service, Toxics Release Inventory reporters. Reporting a release is required of large users of listed chemicals; it is not by itself a violation. Miles are straight-line from the ZIP's population-weighted center.
Source: EPA Toxics Release Inventory basic data files, Ohio, reporting years 2020 to 2024 (2024 shown, 2020 for the trend); facilities placed in the ZCTA holding their coordinates; dioxin rows reported in grams left out of pound totals · EPA TRI data files
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Dams
1 or 21 high-hazard dam within 10 milesNearest: Defiance Upground Reservoir, 1.9 mi, condition fair
High-hazard dams within 10 miles
-
Defiance Upground ReservoirUnnamed Tributary To Auglaize River · condition: fair · 1.9 mi
- Hazard class
- High: a failure would probably cost a life
- Condition
- Fair (assessed 04/26/2022)
- River or stream
- Unnamed Tributary To Auglaize River
- Purpose
- Water Supply
- Type
- Earth
- Height
- 24 ft
- Storage
- 1,587 acre-feet
- Completed
- 2007
- Owner type
- Local Government
- County
- Defiance County
- Last inspection
- 04/26/2022
- Emergency action plan
- Yes
- NID ID
- OH03143
National Inventory of Dams record ↗ National Inventory of Dams (source) ↗ Street map and directions ↗
Source: U.S. Army Corps of Engineers National Inventory of Dams, August 2026. "High hazard" rates what a failure would cost downstream, not how likely one is; the condition is the state's assessment. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: U.S. Army Corps of Engineers National Inventory of Dams (1,376 Ohio dams, August 2026; 26 Corps levees and dikes counted with their parent dam): high-hazard dams near each ZIP's population-weighted center, with the state's condition… · National Inventory of Dams
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Disasters
3 to 53 tornado tracks within 5 miles since 19502 rated F2/EF2+ · 11 federal declarations for Defiance County · 1 quake M2+ within 25 mi
Source: NOAA Storm Prediction Center tornado database 1950-2025 (tracks within 5 miles of each ZIP's population-weighted center), OpenFEMA disaster declarations by county since 1956, USGS earthquake catalog M2+ since 1970 within 25 miles… · NOAA SPC tornado data · OpenFEMA · USGS earthquakes · NOAA storm events · IEM warning archive
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Spills
40 or more52 spills reported since 2021mostly diesel and fuel oil · 11 reached water
Spills reported since 2021 inside ZIP 43512: the nearest 40 of 51
-
Oil Transformer Non Pcb2026-04-06 · Defiance · 0.4 mi
- Reported
- 2026-04-06
- What spilled
- Oil Transformer Non Pcb
- Largest amount reported
- 50 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2604EPA0000577
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Other / All Other / Trade Name / Mixture / Solution Etc2023-12-21 · Defiance · 0.4 mi
- Reported
- 2023-12-21
- What spilled
- Other / All Other / Trade Name / Mixture / Solution Etc
- Largest amount reported
- 35 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2312EPA0002077
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Material Unknown Reached water2021-10-27 · Defiance · 0.5 mi
- Reported
- 2021-10-27
- What spilled
- Material Unknown
- Reached a waterway
- 20 - Auglaize River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2110EPA0001666
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Algae / Algae Bloom Reached water2025-08-16 · Defiance · 0.7 mi
- Reported
- 2025-08-16
- What spilled
- Algae / Algae Bloom
- Reached a waterway
- 20 - Maumee River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2508EPA0001383
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Material Unknown Reached water2022-12-14 · Defiance · 0.7 mi
- Reported
- 2022-12-14
- What spilled
- Material Unknown
- Reached a waterway
- Maumee River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2212EPA0001857
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Food Grade Product Liquid Reached water2021-10-15 · Defiance · 0.7 mi
- Reported
- 2021-10-15
- What spilled
- Food Grade Product Liquid
- Reached a waterway
- 20 - Maumee River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2110EPA0001624
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Crude2023-04-17 · Defiance · 0.7 mi
- Reported
- 2023-04-17
- What spilled
- Oil Crude
- Largest amount reported
- 165 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2304EPA0000611
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Transformer Non Pcb2026-04-04 · Defiance · 0.7 mi
- Reported
- 2026-04-04
- What spilled
- Oil Transformer Non Pcb
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2604EPA0000572
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Other / All Other / Trade Name / Mixture / Solution Etc2022-01-15 · Defiance · 0.7 mi
- Reported
- 2022-01-15
- What spilled
- Other / All Other / Trade Name / Mixture / Solution Etc
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2201EPA0000049
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Sheen Rainbow / Hydrocarbon Reached water2022-01-14 · Defiance · 0.7 mi
- Reported
- 2022-01-14
- What spilled
- Sheen Rainbow / Hydrocarbon
- Largest amount reported
- 6 gallons
- Reached a waterway
- 99 - Unnamed
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2201EPA0000047
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Oil Crude Reached water2021-09-30 · Defiance · 0.7 mi
- Reported
- 2021-09-30
- What spilled
- Oil Crude
- Reached a waterway
- 20 - Auglaize River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2109EPA0001549
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Sewage Human Reached water2026-03-31 · Defiance · 0.8 mi
- Reported
- 2026-03-31
- What spilled
- Sewage Human
- Reached a waterway
- 20 - Maumee River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2603EPA0000530
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Gasoline ( 25% Ethanol Not E85)2026-03-17 · Defiance · 0.8 mi
- Reported
- 2026-03-17
- What spilled
- Fuel Gasoline ( 25% Ethanol Not E85)
- Largest amount reported
- 25 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2603EPA0000422
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-01-05 · Defiance · 0.9 mi
- Reported
- 2023-01-05
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2301EPA0000026
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Material Undetermined / Other2022-06-05 · Defiance Twp · 1.2 mi
- Reported
- 2022-06-05
- What spilled
- Material Undetermined / Other
- Largest amount reported
- 2,500 gallons
- Where
- Defiance Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2206EPA0000837
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Sewage Human Reached water2023-06-16 · Defiance · 1.2 mi
- Reported
- 2023-06-16
- What spilled
- Sewage Human
- Reached a waterway
- 20 - Tiffin River
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2306EPA0000999
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Natural Gas Condensate / Condensate / Gas Condensate2024-03-20 · Defiance · 1.3 mi
- Reported
- 2024-03-20
- What spilled
- Natural Gas Condensate / Condensate / Gas Condensate
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2403EPA0000439
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Anhydrous Ammonia (Nh3)2025-10-02 · Defiance · 1.4 mi
- Reported
- 2025-10-02
- What spilled
- Anhydrous Ammonia (Nh3)
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2510EPA0001632
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Oil Cutting /Cutting Oil / Coolant / Lubricant2024-04-09 · Defiance · 1.6 mi
- Reported
- 2024-04-09
- What spilled
- Oil Cutting /Cutting Oil / Coolant / Lubricant
- Largest amount reported
- 300 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2404EPA0000568
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Gasoline ( 25% Ethanol Not E85)2022-03-02 · Defiance · 1.7 mi
- Reported
- 2022-03-02
- What spilled
- Fuel Gasoline ( 25% Ethanol Not E85)
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2203EPA0000263
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Oil Hydraulic Fluid(S)2024-02-29 · Defiance · 1.9 mi
- Reported
- 2024-02-29
- What spilled
- Oil Hydraulic Fluid(S)
- Largest amount reported
- 200 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2402EPA0000314
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Transformer Non Pcb2023-03-27 · Defiance · 1.9 mi
- Reported
- 2023-03-27
- What spilled
- Oil Transformer Non Pcb
- Largest amount reported
- 45 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2303EPA0000459
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Transformer Non Pcb2024-05-23 · Defiance · 2.0 mi
- Reported
- 2024-05-23
- What spilled
- Oil Transformer Non Pcb
- Largest amount reported
- 40 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2405EPA0000861
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2021-07-25 · Richland Twp · 2.1 mi
- Reported
- 2021-07-25
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 500 gallons
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2107EPA0001126
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-09-09 · Richland Twp · 2.1 mi
- Reported
- 2023-09-09
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2309EPA0001578
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Other / All Other / Trade Name / Mixture / Solution Etc2022-03-09 · Defiance · 2.1 mi
- Reported
- 2022-03-09
- What spilled
- Other / All Other / Trade Name / Mixture / Solution Etc
- Largest amount reported
- 5,000 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2203EPA0000303
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Gasoline ( 25% Ethanol Not E85)2025-04-08 · Defiance · 2.4 mi
- Reported
- 2025-04-08
- What spilled
- Fuel Gasoline ( 25% Ethanol Not E85)
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2504EPA0000527
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Waste Water2023-11-22 · Richland Twp · 2.5 mi
- Reported
- 2023-11-22
- What spilled
- Waste Water
- Largest amount reported
- 43,750 gallons
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2311EPA0001970
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Sulfur Dioxide (S02)2021-12-02 · Richland Twp · 2.5 mi
- Reported
- 2021-12-02
- What spilled
- Sulfur Dioxide (S02)
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2112EPA0001809
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Transformer Non Pcb2026-03-31 · Richland Twp · 2.5 mi
- Reported
- 2026-03-31
- What spilled
- Oil Transformer Non Pcb
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2603EPA0000534
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-10-10 · Noble Twp · 2.6 mi
- Reported
- 2023-10-10
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 100 gallons
- Where
- Noble Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2310EPA0001745
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2021-07-30 · Noble Twp · 2.6 mi
- Reported
- 2021-07-30
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 125 gallons
- Where
- Noble Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2107EPA0001158
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-12-04 · Richland Twp · 3.0 mi
- Reported
- 2023-12-04
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 40 gallons
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2312EPA0002014
Ohio EPA spill reports (source) ↗ Street map and directions ↗
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Oil Petroleum Not Otherwise Specified (Nos)2021-04-06 · Richland Twp · 3.1 mi
- Reported
- 2021-04-06
- What spilled
- Oil Petroleum Not Otherwise Specified (Nos)
- Largest amount reported
- 1 gallons
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2104EPA0000460
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Transformer Non Pcb2026-08-11 · Highland Twp · 3.5 mi
- Reported
- 2026-08-11
- What spilled
- Oil Transformer Non Pcb
- Largest amount reported
- 25 gallons
- Where
- Highland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2608EPA0001465
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-07-10 · Defiance · 4.0 mi
- Reported
- 2023-07-10
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 200 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2307EPA0001141
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2021-02-04 · Defiance · 4.0 mi
- Reported
- 2021-02-04
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Largest amount reported
- 150 gallons
- Where
- Defiance, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2102EPA0000165
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2022-08-11 · Defiance Twp · 4.1 mi
- Reported
- 2022-08-11
- What spilled
- Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
- Where
- Defiance Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2208EPA0001218
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Oil Motor / Lube Oil / Vehicle2021-07-15 · Highland Twp · 4.2 mi
- Reported
- 2021-07-15
- What spilled
- Oil Motor / Lube Oil / Vehicle
- Largest amount reported
- 1 gallons
- Where
- Highland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2107EPA0001052
Ohio EPA spill reports (source) ↗ Street map and directions ↗
-
Milk2024-03-03 · Richland Twp · 4.7 mi
- Reported
- 2024-03-03
- What spilled
- Milk
- Largest amount reported
- 2,500 gallons
- Where
- Richland Twp, Defiance County
- Ohio EPA district office
- NWDO
- Ohio EPA case number
- 2403EPA0000329
Ohio EPA spill reports (source) ↗ Street map and directions ↗
Source: Ohio EPA emergency response spill reports, 2021 to September 2026, one point per case where Ohio EPA placed it. A report is what the caller or responder recorded; amounts are often blank or estimated. Miles are straight-line from the ZIP's population-weighted center.
Source: Ohio EPA emergency response spill reports (geo.epa.ohio.gov EmergResponse/Spills2_OpenData): cases with a location inside each ZIP, 2021 to date · Ohio EPA spills data · Ohio EPA Office of Emergency Response
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Oil and gas wells
11 to 5025 wells in the ZIP0 producing · 0 shale · 0 orphan · nearest 2.49 mi
Source: ODNR Division of Oil and Gas Resources public well inventory (242,324 well heads, fetched 2026-09-08): wells inside each ZIP by status, horizontal shale wells, injection wells, orphan-program wells · ODNR oil and gas · ODNR GIS services
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Abandoned mines
No mapped underground mineNo mapped minenearest mapped non-coal mine 76.9 mi
Source: ODNR Mines of Ohio: abandoned underground coal and industrial-mineral mines mapped before 1977 (5,116 polygons), overlaid on ZCTAs in Albers equal-area: share of each ZCTA's total area (land plus inland water) over a mapped mine; ODNR… · ODNR mines of Ohio · ODNR Geological Survey
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Soils
Very limited and hydricLenawee silty clay loam, 0 to 1 percent slopesseptic very limited · poorly drained · hydric
Source: USDA NRCS SSURGO via Soil Data Access: the soil map unit under each ZIP's population-weighted center with its dominant component, drainage, hydric and farmland class, flooding, and the Ohio septic and basement interpretation ratings… · USDA Soil Data Access · Web Soil Survey · Open-Meteo elevation
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Parks
0.5 to 2%1.2% public land · 1,632 acresCamp Lakota · Independence Dam State Park 1.3 mi
Source: USGS Protected Areas Database 4.1 (Ohio state package, flattened combined layer, open-access fee, designation and easement polygons plus the six ODNR state parks PAD-US codes closed by default: Buckeye Lake, Forked Run, Hueston Woods, Lake… · USGS PAD-US · ODNR GIS services
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Wetlands
1 to 3%2.6% wetland · 3,666 acresforested/shrub wetland 2,563 · pond 808 · emergent wetland 240
Source: USFWS National Wetlands Inventory, Ohio geodatabase (imagery mostly 2004 to 2007, Lake Erie basin 2021), freshwater wetlands and ponds clipped to each ZIP (lakes and rivers excluded); Ohio EPA potential high-quality vernal pools… · USFWS wetlands inventory · Ohio EPA GIS services
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Land cover
5% to 15%11% developed · 11% tree canopycropland 67% · forest 11% · wetland 4%
Source: National Land Cover Database, 2021 edition (USGS and the MRLC consortium; MRLC has since published Annual NLCD and annual tree canopy through 2025, not yet pulled here): land cover, percent impervious surface and tree canopy at 30 m… · NLCD · USDA Cropland Data Layer · ODNR pre-settlement vegetation
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People and health
Who lives here and how well: education, jobs, health and life expectancy, and how far the nearest hospital, police station or grocery store sits.
People
15 to 25%19.2% bachelor's or higher82.1% white · 2.2% Black · 12.9% Hispanic · 0.3% Asian · 1% foreign-born
Source: Census ACS 2020-2024 5-year by ZCTA: educational attainment (B15003), race and Hispanic origin (B03002), nativity (B05002), veterans (B21001); IRS Statistics of Income county migration flows 2022 to 2023 for the county; Census Bureau… · Census ACS · Census population estimates · IRS migration data · USDA ERS county codes · USDA ERS commuting area codes · 2020 Census redistricting data · Census SAIPE · IRS exempt organizations
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Jobs
0.6 to 112,508 jobs · 12,751 employed residentsManufacturing leads
Source: Census LEHD LODES 8, 2023, all jobs: workplace and residence counts by census block summed into ZCTAs (workplace-only blocks by block-group or tract majority), origin-destination flows for where residents work; Census ZIP Code Business… · Census LEHD · BLS local unemployment · BLS QCEW · BEA county GDP · USAspending · OSHA enforcement data · Census ZIP Business Patterns · Census ACS · USDA ERS county typology · CDFI Fund Opportunity Zones
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Economic history
Inland riversMaumee River water pulled through two river intakes and stored in a 74-acre upground (off-channel) reservoir before treatment, near the Maumee/Auglaize/Tiffin River confluence at DefianceDefiance City Water Treatment Plant · Defiance City
Source: Historical economic data: Census Bureau historical county population via the NBER mirror (1900) and Census Bureau population estimates (current and peak), Census County Business Patterns, USDA Census of Agriculture, FHFA House Price Index… · FRED (Federal Reserve Bank of St. Louis) · Census County Business Patterns · USDA Census of Agriculture · FHFA House Price Index · BEA GDP by county · Census American Community Survey · IPUMS NHGIS historical census · Zillow Home Value Index
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Upward mobility
40th to 45thPercentile rank 42.9income rank at 35 for children of low-income parents · 2.08% incarcerated in 2010
Source: Opportunity Atlas (Chetty, Friedman, Hendren, Jones and Porter, Census Bureau): tract outcomes for children born 1978 to 1983, population-weighted to ZIPs through 2020 census blocks · Opportunity Atlas · Opportunity Insights data
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Social vulnerability
40th to 60th53rd percentile of Ohio tractssocioeconomic 44 · household 60 · minority status 49 · housing and transport 57
Source: CDC/ATSDR Social Vulnerability Index 2022 by census tract (percentile ranks among Ohio tracts), population-weighted to ZIPs through 2020 census blocks · CDC/ATSDR SVI
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Health
16 to 20%19.8% in fair or poor healthobesity 35.7% · diabetes 13.8% · smoking 16% · depression 25%
Source: CDC PLACES 2025 release, ZCTA model-based estimates of adult health (BRFSS 2023, ACS): fair or poor health, obesity, diabetes, smoking, depression, lack of health insurance among adults 18-64 and more; County Health Rankings 2025… · CDC PLACES · County Health Rankings · CDC overdose data · NCI cancer profiles · HRSA data
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Life expectancy
76 to 7977.9 years life expectancy10 tracts, from 73.9 to 83.9
Source: CDC/NCHS U.S. Small-area Life Expectancy Estimates Project (USALEEP, deaths 2010-2015, 2010 census tracts) weighted into ZIPs by 2020 block population · CDC USALEEP
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Hospitals
Under 3 milesMercy Health - Defiance Hospital, Llc · 1.2 miDefiance · 23 beds · 2 within 10 miles
Hospitals within 5 miles, and the nearest beyond
-
Mercy Health - Defiance Hospital, LlcGeneral hospital · Defiance · 1.2 mi
- What it is
- General hospital
- Address
- 1404 East Second Street, Defiance, OH 43512
- County
- Defiance County
- Beds
- 23
- Helipad
- Yes
- Ownership
- Non-profit
- Medicare overall rating
- 4 of 5 stars
- Emergency department (Medicare)
- Yes
- Medicare reports it as
- Mercy Health - Defiance Hospital
- Phone
- (419) 782-8444
- Medicare ID
- 360270
Medicare Care Compare ↗ Hospital's website ↗ Where HIFLD got this record ↗ HIFLD hospitals (source) ↗ Street map and directions ↗
-
Defiance Regional Medical Center Trauma level IIIGeneral hospital · Defiance · 1.4 mi
- What it is
- General hospital
- Address
- 1200 Ralston Avenue, Defiance, OH 43512
- County
- Defiance County
- Beds
- 51
- Trauma center
- Level IIi
- Helipad
- Yes
- Ownership
- Non-profit
- Medicare overall rating
- 5 of 5 stars
- Emergency department (Medicare)
- Yes
- Medicare reports it as
- Promedica Defiance Regional Hospital
- Phone
- (419) 783-4493
- Medicare ID
- 361328
Medicare Care Compare ↗ Where HIFLD got this record ↗ HIFLD hospitals (source) ↗ Street map and directions ↗
-
Paulding County HospitalCritical access hospital · Paulding · 16.0 mi
- What it is
- Critical access hospital
- Address
- 1035 West Wayne St, Paulding, OH 45879
- County
- Paulding County
- Beds
- 25
- Helipad
- Yes
- Ownership
- Government - local
- Medicare overall rating
- not rated
- Emergency department (Medicare)
- Yes
- Phone
- (419) 399-4080
- Medicare ID
- 361300
Medicare Care Compare ↗ Hospital's website ↗ Where HIFLD got this record ↗ HIFLD hospitals (source) ↗ Street map and directions ↗
Source: HIFLD hospitals inventory via FEMA (closed hospitals it still lists left out, hospitals opened since added), with Medicare Care Compare ratings matched by name and address. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Community health centers within 3 miles, and the nearest beyond
-
Defiance Community Health CenterHealth center · Defiance · 1.3 mi
- Run by
- a federally qualified health center
- Setting
- Clinic
- City
- Defiance
- Coordinates
- 41.29773, -84.37186
Find a Health Center (HRSA) ↗ HRSA data (source) ↗ Street map and directions ↗
-
Community Health Services - NapoleonHealth center · Napoleon · 15.6 mi
- Run by
- a federally qualified health center
- Setting
- Clinic
- City
- Napoleon
- Coordinates
- 41.40995, -84.11735
Find a Health Center (HRSA) ↗ HRSA data (source) ↗ Street map and directions ↗
Source: HRSA health center service delivery sites, active, September 2026 (school-based sites left out). Health centers see patients whether or not they have insurance, with fees on a sliding scale. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Dialysis centers within 5 miles
-
Usrc Defiance DialysisDialysis · Defiance · 0.0 mi
- Address
- 220 Stadium Drive, Defiance, OH 43512
- Dialysis stations
- 12
- Medicare star rating
- 4 of 5 stars
- Services
- in-center hemodialysis
- Ownership
- for profit
- Chain
- US Renal Care, Inc.
- Medicare certified since
- 2003-02-12
- Phone
- (419) 784-2100
- Medicare ID
- 362654
Medicare Care Compare ↗ CMS dialysis facility list (source) ↗ Street map and directions ↗
-
Fmc - DefianceDialysis · Defiance · 1.7 mi
- Address
- 1850 East Second Street, Suites 1850 & 1846, Defiance, OH 43512
- Dialysis stations
- 12
- Medicare star rating
- 3 of 5 stars
- Services
- in-center hemodialysis, peritoneal dialysis, home hemodialysis training
- Ownership
- for profit
- Chain
- Fresenius Medical Care
- Medicare certified since
- 2003-12-01
- Phone
- (419) 782-9090
- Medicare ID
- 362665
Medicare Care Compare ↗ CMS dialysis facility list (source) ↗ Street map and directions ↗
Source: CMS dialysis facility list, September 2026, geocoded with the Census Bureau batch geocoder (an address it could not place sits at its ZIP center). Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: Nearest hospital: miles from each ZIP's population-weighted center to the nearest open general or critical-access hospital in Ohio, or, within 40 miles of the state line in Indiana, Kentucky, West Virginia, Pennsylvania and Michigan, the… · CMS Care Compare data · HIFLD · HRSA data · CMS NPI files
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Nursing homes
Under 1 mileBROOKVIEW HEALTHCARE CENTER · 0.9 mi2 of 5 stars · 89 beds · 2 within 5 miles
Nursing homes within 3 miles, and the nearest beyond
-
Brookview Healthcare Center2 of 5 stars · Defiance · 0.9 mi
- Address
- 214 Harding Street, Defiance, OH 43512
- Certified beds
- 89
- Residents on an average day
- 74
- Medicare overall rating
- 2 of 5 stars
- Health inspections
- 3 of 5 stars
- Staffing
- 1 of 5 stars
- Quality measures
- 4 of 5 stars
- Penalties since 2023
- none
- Ownership
- For profit - Limited Liability company
- Chain
- LIONSTONE CARE
- Takes
- Medicare and Medicaid
- Phone
- (419) 784-1014
- Medicare ID
- 365447
Medicare Care Compare ↗ CMS nursing home data (source) ↗ Street map and directions ↗
-
Laurels of Defiance The4 of 5 stars · Defiance · 1.1 mi
- Address
- 1701 S Jefferson Ave, Defiance, OH 43512
- Certified beds
- 107
- Residents on an average day
- 93
- Medicare overall rating
- 4 of 5 stars
- Health inspections
- 4 of 5 stars
- Staffing
- 3 of 5 stars
- Quality measures
- 4 of 5 stars
- Penalties since 2023
- none
- Ownership
- For profit - Corporation
- Chain
- CIENA HEALTHCARE/LAUREL HEALTH CARE
- Takes
- Medicare and Medicaid
- Phone
- (419) 782-7879
- Medicare ID
- 365389
Medicare Care Compare ↗ CMS nursing home data (source) ↗ Street map and directions ↗
-
Vancrest Health Care Ctr of Ho4 of 5 stars · Holgate · 12.5 mi
- Address
- 600 Joe E Brown Road, Holgate, OH 43527
- Certified beds
- 60
- Residents on an average day
- 54
- Medicare overall rating
- 4 of 5 stars
- Health inspections
- 4 of 5 stars
- Staffing
- 4 of 5 stars
- Quality measures
- 4 of 5 stars
- Penalties since 2023
- none
- Ownership
- For profit - Corporation
- Chain
- VANCREST HEALTH CARE CENTERS
- Takes
- Medicare and Medicaid
- Phone
- (419) 264-0700
- Medicare ID
- 366255
Medicare Care Compare ↗ CMS nursing home data (source) ↗ Street map and directions ↗
Source: CMS Care Compare nursing home provider and penalties files; Medicare star ratings run 1 to 5. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: CMS Care Compare nursing home provider file (922 Ohio homes), addresses geocoded with the Census Bureau batch geocoder (67 unmatched placed at their ZIP center); CMS penalties file (fines and payment denials since 2023, matched by name and… · CMS Care Compare data
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Crime
1 to 2.52.2 violent offenses per 1,000Defiance Police · 12.1 property per 1,000 · 12 months · 62% of violent cleared
Source: FBI Crime Data Explorer NIBRS incident files for Ohio, 2024 (2023 file for the trend), as downloaded in September 2026; the FBI keeps accepting agency revisions after release, so an agency's live Explorer totals for the same year can… · FBI Crime Data Explorer · USGS structures service
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Police
Under 1 mileDefiance Police Department · 0.4 mi2 stations within 3 miles · post office 0.4 mi
Police stations within 3 miles
-
Defiance Police DepartmentDefiance · 0.4 mi
- Address
- 324 Perry Street, Defiance, OH 43512
- Coordinates
- 41.28673, -84.36406
USGS National Map structures (source) ↗ Street map and directions ↗
-
Defiance County Sheriff's OfficeDefiance · 1.1 mi
- Address
- 113 Biede Avenue, Defiance, OH 43512
- Coordinates
- 41.28588, -84.34312
USGS National Map structures (source) ↗ Street map and directions ↗
Source: USGS National Map structures, police stations, corrected and completed by hand (September 2026). The department that answers a call is set by jurisdiction, not by distance. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: USGS National Map structures: police stations (772 Ohio points: the inventory's 731 less 4 closed or duplicate records, with 4 wrong names corrected, plus 45 departments and sheriff's offices it lacks, placed from OpenStreetMap or the… · USGS structures service · OpenStreetMap · Census Bureau geocoder
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Fire and EMS
Under 1 mileDefiance Fire and Rescue Central Fire Station · 0.4 mi3 stations within 3 miles, 8 within 8
Fire and EMS stations within 3 miles
-
Defiance Fire and Rescue Central Fire StationDefiance · 0.4 mi
- Address
- 702 West 3rd Street, Defiance, OH 43512
- Coordinates
- 41.28657, -84.36425
USGS National Map structures (source) ↗ Street map and directions ↗
-
Richland Township Fire DepartmentDefiance · 1.9 mi
- Address
- 1915 East 2nd Street, Defiance, OH 43512
- Coordinates
- 41.28229, -84.32711
USGS National Map structures (source) ↗ Street map and directions ↗
-
Noble Township Fire DepartmentDefiance · 2.3 mi
- Address
- 22485 Mill Street, Defiance, OH 43512
- Coordinates
- 41.30872, -84.38840
USGS National Map structures (source) ↗ Street map and directions ↗
Source: USGS National Map structures (most Ohio records last updated 2019 to 2022), checked against the Columbus and Cleveland station lists. The department that answers a call is set by jurisdiction and mutual aid, not by distance. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: USGS National Map structures inventory (fire and EMS stations; most Ohio records last updated 2019 to 2022): 1,772 Ohio stations after removing duplicate records and checking Columbus- and Cleveland-area stations against the cities'… · USGS structures service · Columbus fire stations · Cleveland fire stations
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Libraries
Under 1 mileDefiance Public Library · 0.6 mi1 within 3 miles, 1 within 8
Public libraries within 3 miles, and the nearest beyond
-
Defiance Public LibraryCentral library · Defiance · 0.6 mi
- Address
- 320 Fort St., Defiance, OH 43512
- What it is
- Central library
- Library system
- Defiance Public Library
- Open
- 2,321 hours a year, 51 weeks
- Building
- 19,290 sq ft
- System's visits, FY2024
- 86,060
- System's loans, FY2024
- 374,214
- People the system serves
- 38,286
- Phone
- (419) 782-1456
IMLS Public Libraries Survey (source) ↗ Street map and directions ↗
-
Florida Public LibraryBranch · Napoleon · 8.6 mi
- Address
- K671 County Rd 17D, Napoleon, OH 43545
- What it is
- Branch
- Library system
- Napoleon Public Library
- Open
- 765 hours a year, 51 weeks
- Building
- 2,455 sq ft
- System's visits, FY2024
- 25,480
- System's loans, FY2024
- 114,744
- People the system serves
- 14,361
- Phone
- (419) 762-5876
IMLS Public Libraries Survey (source) ↗ Street map and directions ↗
Source: IMLS Public Libraries Survey FY2024 (outlets and their systems). Any Ohio resident can get a free card at any Ohio public library. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Museums, historical societies, gardens and zoos inside ZIP 43512
-
Historic Homes Of DefianceHistorical society · Defiance · 0.2 mi
- What it is
- Historical society
- City
- Defiance
- Coordinates
- 41.28295, -84.36511
Search Wikipedia ↗ IMLS Museum Data Files (source) ↗ Street map and directions ↗
The museum list is IMLS's 2018 file; a museum may have closed or moved since.
-
Defiance County Historical SocietyHistorical society · Defiance · 0.4 mi
- What it is
- Historical society
- City
- Defiance
- Coordinates
- 41.28600, -84.36155
Search Wikipedia ↗ IMLS Museum Data Files (source) ↗ Street map and directions ↗
The museum list is IMLS's 2018 file; a museum may have closed or moved since.
-
Women'S Commission Art GalleryArt museum · Defiance · 1.1 mi
- What it is
- Art museum
- City
- Defiance
- Coordinates
- 41.29578, -84.36063
Search Wikipedia ↗ IMLS Museum Data Files (source) ↗ Street map and directions ↗
The museum list is IMLS's 2018 file; a museum may have closed or moved since.
Source: IMLS Museum Data Files, 2018. Miles are straight-line from the ZIP's population-weighted center.
Source: IMLS Public Libraries Survey FY2024 outlet and system files (720 open Ohio central libraries and branches of 251 systems, plus 62 bookmobiles); straight-line miles from each ZIP's population-weighted center to the nearest Ohio library… · IMLS Public Libraries Survey · IMLS Museum Data Files
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Groceries
10 to 33%12.5% in low-income, low-access tracts60% over 1 mile from a supermarket · 11% of households on SNAP (ACS)
Source: USDA Food Access Research Atlas 2019 Large Retailer Access Map (2010 tracts, ERS's name for the file since July 2026) weighted by 2020 block population: distance to the nearest supermarket and low-income low-access flags; Census ACS… · USDA ERS Large Retailer Access Map · USDA SNAP retailers · Census ACS
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History, schools and government
How the place began, who governs it now, and the schools that serve it, from the district boundary to its state report card.
Local history
Settled before 1800Defiance · settled 1794first settled, platted or incorporated (earliest year recorded)
Source: Local history researched from Wikipedia, the 1880 county histories on archive.org, Ohio History Connection, National Register listings, Ohio historical markers, local historical societies and Wikimedia Commons, one file per municipality… · Ohio History Connection · Internet Archive (county histories) · Wikimedia Commons · Remarkable Ohio (historical markers)
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Historic places
7 to 157 listed historic placesDefiance Public Library
-
Defiance Public LibraryBuilding · Defiance · listed 1985
- Address
- 320 Fort St.
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Building
- Listed on the National Register
- 1985
- NRIS reference number
- 85003446
- Coordinates
- 41.28785, -84.35858
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
Dey Road BridgeStructure · Defiance · listed 1999
- Address
- 0.35 mi. E of US 24
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Structure
- Listed on the National Register
- 1999
- NRIS reference number
- 99000095
- Coordinates
- 41.29036, -84.38559
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
East Side Fire StationBuilding · Defiance · listed 1976
- Address
- Douglas and Hopkins Sts.
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Building
- Listed on the National Register
- 1976
- NRIS reference number
- 76001413
- Coordinates
- 41.28102, -84.35122
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
Fort Defiance ParkSite · Defiance · listed 1980
- Address
- Fort St.
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Site
- Listed on the National Register
- 1980
- NRIS reference number
- 80002989
- Coordinates
- 41.28754, -84.35668
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
Latty, Judge Alexander, HouseBuilding · Defiance · listed 1991
- Address
- 718 Perry St.
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Building
- Listed on the National Register
- 1991
- NRIS reference number
- 90002214
- Coordinates
- 41.28066, -84.37284
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
Riverside ChapelBuilding · Defiance · listed 1977
- Address
- S. Clinton St. in Riverside Cemetery
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Building
- Listed on the National Register
- 1977
- NRIS reference number
- 77001058
- Coordinates
- 41.27344, -84.37826
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
-
Speaker, Charles, HouseBuilding · Defiance · listed 1997
- Address
- 912 Holgate Ave.
- Where
- Defiance, Defiance County · ZIP 43512
- What it is
- Building
- Listed on the National Register
- 1997
- NRIS reference number
- 97000374
- Coordinates
- 41.28267, -84.37431
National Register file (NPS) ↗ Search Wikipedia ↗ Street map and directions ↗ On the Cracked Buckeye map
Source: National Park Service, National Register of Historic Places point file. The listing year is shown where NPS's certification date agrees with the listing's reference number. Listing recognizes significance; it does not restrict a private owner.
See them on the full map · every historic place in Defiance County
Source: National Park Service, National Register of Historic Places point file (3,286 points for 3,232 of Ohio's roughly 4,200 listings; listings without a point are not counted, and a listing with several points is counted once); listings inside… · National Register data · USGS GNIS
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Schools
193 city school districtsDefiance CityCity school district · 59% of residents, then Northeastern Local
Public schools inside ZIP 43512
-
Defiance Middle School4 of 5 stars · Defiance · 1.2 mi
- Address
- 1755 Palmer Dr, Defiance, OH 43512
- School district
- Defiance City School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 557
- Teachers (full-time equivalent)
- 33
- Report card, 2025-26
- 4 of 5 stars
- Performance index
- 77%
- Ohio building IRN
- 008292
- NCES school ID
- 390438600840
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Defiance High School3.5 of 5 stars · Defiance · 1.2 mi
- Address
- 1755 Palmer Dr, Defiance, OH 43512
- School district
- Defiance City School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 713
- Teachers (full-time equivalent)
- 44.18
- Report card, 2025-26
- 3.5 of 5 stars
- Performance index
- 76%
- Four-year graduation rate
- 97.9%
- Ohio building IRN
- 008300
- NCES school ID
- 390438600841
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Defiance Elementary School4 of 5 stars · Defiance · 1.6 mi
- Address
- 400 Carter Rd, Defiance, OH 43512
- School district
- Defiance City School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 1,053
- Teachers (full-time equivalent)
- 63.84
- Report card, 2025-26
- 4 of 5 stars
- Performance index
- 77.5%
- Ohio building IRN
- 011430
- NCES school ID
- 390438605516
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Ayersville Elementary School5 of 5 stars · Defiance · 5.2 mi
- Address
- 28046 Watson Rd, Defiance, OH 43512
- School district
- Ayersville Local School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 344
- Teachers (full-time equivalent)
- 23.42
- Report card, 2025-26
- 5 of 5 stars
- Performance index
- 96.1%
- Ohio building IRN
- 001412
- NCES school ID
- 390467002625
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Ayersville High School3.5 of 5 stars · Defiance · 5.2 mi
- Address
- 28046 Watson Rd, Defiance, OH 43512
- School district
- Ayersville Local School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 338
- Teachers (full-time equivalent)
- 20.58
- Report card, 2025-26
- 3.5 of 5 stars
- Performance index
- 84.4%
- Four-year graduation rate
- 98.1%
- Ohio building IRN
- 001420
- NCES school ID
- 390467002626
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Tinora High School5 of 5 stars · Defiance · 5.7 mi
- Address
- 5921 Domersville Rd, Defiance, OH 43512
- School district
- Northeastern Local School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 283
- Teachers (full-time equivalent)
- 12
- Report card, 2025-26
- 5 of 5 stars
- Performance index
- 87.4%
- Four-year graduation rate
- 97.7%
- Ohio building IRN
- 037275
- NCES school ID
- 390467202636
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Tinora Middle School3 of 5 stars · Defiance · 5.7 mi
- Address
- 5921 Domersville Rd, Defiance, OH 43512
- School district
- Northeastern Local School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 320
- Teachers (full-time equivalent)
- 17
- Report card, 2025-26
- 3 of 5 stars
- Performance index
- 80.6%
- Ohio building IRN
- 064139
- NCES school ID
- 390467202637
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
-
Tinora Elementary School4.5 of 5 stars · Defiance · 5.8 mi
- Address
- 5751 Domersville Rd, Defiance, OH 43512
- School district
- Northeastern Local School District
- Kind (NCES)
- Regular School
- Students, 2023-24
- 356
- Teachers (full-time equivalent)
- 19
- Report card, 2025-26
- 4.5 of 5 stars
- Performance index
- 86.3%
- Ohio building IRN
- 139204
- NCES school ID
- 390467204595
NCES school record ↗ Ohio School Report Card ↗ Street map and directions ↗
Source: NCES EDGE public school locations 2024-25 and Common Core of Data 2023-24 (type, students, teachers); Ohio School Report Cards 2025-26 (Department of Education and Workforce), matched by name within the district. Miles are straight-line from the ZIP's population-weighted center.
Private schools inside ZIP 43512
-
St John Lutheran SchoolPrivate, religious, denomination-affiliated · Defiance · 0.1 mi
- Address
- 655 Wayne Ave, Defiance, OH 43512
- Kind
- religious, denomination-affiliated
- Students, 2023-24
- 79
- Teachers (full-time equivalent)
- 8.4
- Students per teacher
- 9.40476
- Phone
- (419) 782-1751
- NCES private school ID
- 01063343
-
Holy Cross Catholic SchoolPrivate, Catholic · Defiance · 2.0 mi
- Address
- 1745 S Clinton St, Defiance, OH 43512
- Kind
- Catholic
- Students, 2023-24
- 84
- Teachers (full-time equivalent)
- 7.8
- Students per teacher
- 10.7692
- Phone
- (419) 784-2021
- NCES private school ID
- 01060761
Source: NCES Private School Survey 2023-24. Miles are straight-line from the ZIP's population-weighted center.
Source: Ohio school district boundaries (U.S. Census Bureau TIGER/Line school districts, as of January 1, 2026) by resident share; NCES EDGE 2024-25 school buildings; NCES Private School Survey 2023-24 public-use file (schools inside the ZIP by… · ODOT GIS · NCES EDGE · NCES Common Core of Data · NCES private schools · Census SAIPE · Census school finances (F-33)
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School ratings
4 stars4 stars overallDefiance City · performance index 77.8% of the year's maximum · 97.9% graduate in four years
Source: Ohio School Report Cards 2024-2025 (Department of Education and Workforce): district overall and component star ratings, performance index, graduation rates, spending per pupil and teacher measures, for the district holding the largest… · Ohio school report cards
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Colleges
Under 3 milesDefiance College · 1.2 miDefiance · 1 campus within 10 miles
Colleges within 5 miles, and the nearest beyond
-
Defiance CollegePrivate nonprofit college · Defiance · 1.2 mi
- What it is
- Private nonprofit college
- City
- Defiance
- Students, 2023-24 (12-month count)
- 572
- Tuition and fees, in state
- $38,778
- Graduation rate
- 37% of bachelor's students, within six years (a class of 150)
- IPEDS unit ID
- 202514
College Navigator (NCES) ↗ IPEDS data (source) ↗ Street map and directions ↗
-
Northwest State Community CollegePublic two-year college · Archbold · 12.2 mi
- What it is
- Public two-year college
- City
- Archbold
- Students, 2023-24 (12-month count)
- 5,712
- Tuition and fees, in state
- $4,578
- Tuition and fees, out of state
- $8,930
- Graduation rate
- 47% within three years (a class of 107)
- IPEDS unit ID
- 204440
College Navigator (NCES) ↗ IPEDS data (source) ↗ Street map and directions ↗
-
Four County Career CenterPublic career school · Archbold · 12.3 mi
- What it is
- Public career school
- City
- Archbold
- Students, 2023-24 (12-month count)
- 349
- IPEDS unit ID
- 457873
College Navigator (NCES) ↗ IPEDS data (source) ↗ Street map and directions ↗
Source: NCES IPEDS 2024 directory, 2023-24 enrollment and tuition, graduation rates for the 2017 (four-year) and 2020 (two-year) entering classes. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.
Source: NCES IPEDS: 2024 institutional directory (269 active Ohio institutions with coordinates, less the administrative units and the colleges that have closed since; plus 145 in Indiana, Kentucky, West Virginia, Pennsylvania and Michigan within… · NCES IPEDS
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Local government
255 citiesDefiance (city)61% of residents, then Highland Township, Defiance County
Source: ODOT municipal corporation and township boundaries by resident share of 2020 census blocks; Ohio EPA grants awarded in 2025 (OEPA_Achievements, MapServer layer 8); Auditor of State unauditable entities list · ODOT GIS · Auditor of State · Ohio EPA grants (OEPA_Achievements)
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Representatives
OH-9 · Marcy Kaptur (D)Senate 1 Rob McColley · House 82 Roy Klopfenstein
Source: ODOT TIMS Boundaries US_House_District, Ohio_Senate_District and Ohio_House_District (fetched 2026-09-08) by resident share of 2020 census blocks; members from the U.S. House, Ohio Senate and Ohio House directories, September 2026 · U.S. House · Ohio Senate · Ohio House · ODOT GIS
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History from 43512 (Defiance)
People and inventions tied to this place, each with its sources. All people · All inventions
Rain and snow
How much has actually fallen on 43512 (Defiance), day by day, from 1893 to now. Daily totals, not averages.
- rain, last 30 days
- 1.64 in
- 2026-09-30 to 2026-10-29
- rain so far in 2026
- 31.4 in
- about normal for the date
- snow so far in 2026
- 21.4 in
- a normal year brings 25.7 in
- a normal year
- 36.0 in
- average of 30 years, 1991-2020
| Month | Rain (in) | Snow (in) | Days counted |
|---|---|---|---|
| October 2026 | 1.63 | — | 29 |
| September 2026 | 4.40 | — | 30 |
| August 2026 | 5.08 | — | 31 |
| July 2026 | 1.10 | — | 31 |
| June 2026 | 3.28 | — | 30 |
| May 2026 | 2.49 | — | 31 |
| April 2026 | 8.55 | — | 30 |
| March 2026 | 3.56 | — | 31 |
| February 2026 | 0.54 | 6.0 | 28 |
| January 2026 | 0.74 | 15.4 | 31 |
| December 2025 | 1.56 | 6.9 | 31 |
| November 2025 | 1.67 | 5.6 | 30 |
| Wettest year | 2011 — 54.9 in |
|---|---|
| Driest year | 1941 — 21.6 in |
| Snowiest year | 2014 — 69.0 in |
| Wettest day on record | 18 September 1907 — 4.63 in |
| Heaviest snowfall in a day | 28 February 1900 — 12.01 in |
| Deepest snow on the ground | 12 January 1918 — 22.01 in |
88% of these days are measurements from a gauge inside 43512 (Defiance); the rest are estimated from the nearest gauges around it.
48,879 days of records, 1893-01-01 to 2026-10-29. Source: NOAA NCEI GHCN-Daily, 3,240 gauges in and around Ohio. A day is "gauged" when a gauge standing inside the boundary reported it, and the value is the mean of those gauges. Otherwise it is interpolated by inverse distance from every gauge reporting within 50 miles. Nothing is carried forward, back-filled or smoothed. Against NOAA nClimDiv county monthly precipitation over 136,848 complete county-months (checked 2026-10-31): correlation 0.9515, median absolute difference 0.217 in a month. Built 2026-10-31 from the Cracked Buckeye precipitation archive. Snow is the softer number — snowfall is measured by hand with a ruler, no agency publishes a gridded county snowfall series, and blowing snow defeats every observer.
Environmental permits and filings
What Ohio EPA has on file for 43512 (Defiance): permits, inspections, violations, cleanups and the state loans behind sewer and water work. Every line links to the agency's own document.
- facilities and sites on file
- 162
- those placed on the map inside 43512 (Defiance)
Data centers, power and big tech here. Ohio EPA files that name a data-center company, a power plant or substation, or a large technology firm:
- AYERSVILLE 69 KV SUBSTATION (wastewater and stormwater discharge, latest Apr 29, 2026)
| Program | Facilities and sites |
|---|---|
| Hazardous waste | 33 |
| State sewer loans | 32 |
| Wastewater and stormwater discharge | 31 |
| Air pollution | 18 |
| Public drinking water | 14 |
| Voluntary cleanup | 8 |
| State water loans | 7 |
| Wetland and stream fill | 5 |
| Brownfield | 4 |
| Sewer and water-line construction | 4 |
| Contaminated-site cleanup | 2 |
| Composting | 1 |
| 3 smaller programs |
| Date | Facility or site | What |
|---|---|---|
| FQTMW WATER INTAKE STRUCTURE | Wetland and stream fill permit | |
| POWER DAM EXPRESS PWS | Public drinking water notice of violation | |
| GENERAL MOTORS LLC | Air pollution permit | |
| DEFIANCE COUNTY SANITARY LANDFILL | Wastewater and stormwater discharge violation resolved | |
| POWER DAM EXPRESS PWS | Public drinking water inspection | |
| DEFIANCE WWTP | Wastewater and stormwater discharge report | |
| DEFIANCE COUNTY SANITARY LANDFILL | Landfills report | |
| DEFIANCE COUNTY SANITARY LANDFILL | Sewer and water-line construction permit | |
| INDEPENDENCE EDUCATION CENTER PWS | Public drinking water compliance letter | |
| DEFIANCE COUNTY SANITARY LANDFILL | Landfills report | |
| FQTMW WATER INTAKE STRUCTURE | Wetland and stream fill permit | |
| DEFIANCE COUNTY SANITARY LANDFILL | Landfills inspection | |
| GENERAL MOTORS LLC | Hazardous waste inspection | |
| FQTMW WATER INTAKE STRUCTURE | Wetland and stream fill permit | |
| AYERSVILLE WATER AND SEWER DISTRICT PWS | Public drinking water notice of violation | |
| BRUNERSBURG WD - AIRPORT PWS | Public drinking water compliance letter | |
| BRUNERSBURG WD - TINORA PWS | Public drinking water compliance letter | |
| NORTHEASTERN LOCAL SCHOOLS | Wastewater and stormwater discharge inspection | |
| AYERSVILLE WATER AND SEWER DISTRICT PWS | Public drinking water notice of violation | |
| GENERAL MOTORS LLC | Industrial landfills inspection | |
| PARCEL #B01-4184-0-003-00 | Wastewater and stormwater discharge director's approval | |
| DEFIANCE WWTP | Wastewater and stormwater discharge director's approval | |
| PARCEL #B11-0012-0-012-00 | Wastewater and stormwater discharge director's approval | |
| GENERAL MOTORS LLC | Hazardous waste cleanup response | |
| FQTMW WATER INTAKE STRUCTURE | Wetland and stream fill permit |
Source: Ohio EPA eDocument portal (edocpub.epa.ohio.gov), indexed 2026-10-14. Facilities are placed on the map from Ohio EPA's own map layers, EPA's Facility Registry, coordinates written in the filings, or a geocoded street address. A permit filed under a private person's name (most are household septic systems) is counted but never named, placed or linked; licenses for individual workers and open-burning notices are left out entirely.
Around here
Places in this ZIP
- Defiancecity60% of residents
- Highland Townshiptownship8% of residents
- Noble Townshiptownship8% of residents
- Defiance Townshiptownship6% of residents
- Tiffin Townshiptownship5% of residents
- Richland Townshiptownship4% of residents
- Auglaize Townshiptownship3% of residents
- Adams Townshiptownship3% of residents
- Delaware Townshiptownship2% of residents
School districts
ZIP codes next door
The county
Defiance County: 8 ZIP codes, 16 cities, villages and townships, 37,942 people. The county in numbers.
On the map
Infrastructure layers for this ZIP have not been compiled yet. Open this ZIP on the map to see what is drawn nearby.
Quick answers
What city is ZIP code 43512?
ZIP code 43512 is the Defiance, Ohio post office area in Defiance County, home to 28,208 residents. Of its residents, 60% live in the city of Defiance, 8% in Highland Township, 8% in Noble Township and 6% in Defiance Township.
What county is ZIP code 43512 in?
ZIP code 43512 is in Defiance County, Ohio.
Where does the tap water in ZIP code 43512 come from?
Maumee River water pulled through two river intakes and stored in a 74-acre upground (off-channel) reservoir before treatment, near the Maumee/Auglaize/Tiffin River confluence at Defiance. Defiance City Water Treatment Plant · Defiance City.
What school district is ZIP code 43512 in?
ZIP code 43512 is mostly in the Defiance City School District; parts are in the Northeastern Local School District and the Ayersville Local School District.
Cite and data
Cite this page as:
Cracked Buckeye, "43512 · Defiance, Defiance County", https://crackedbuckeye.com/zip/43512/, built 2026-10-31, accessed [date].
How to cite · Report a correction · Built 2026-10-31
