County

Defiance County, Ohio

Ohio · 38,292 residents (July 2025 estimate) · 8 ZIP codes · 16 cities, villages and townships

38,292 people (July 2025 estimate), +0.0% since the 2020 census; life expectancy 76.2 years; median household income $71,913 (2024). The county in numbers

Defiance County, Ohio

Defiance County in numbers

The public records that are kept county by county, in 20 blocks. Every figure names its source; a tile's small line gives the comparison or the date.

Population

How many people live here, how the count has moved since 2020 and since 1900, and how the USDA classes the county.

residents, July 2025 estimate
38,292
Census Bureau vintage 2025
since the April 2020 census
+0.0%
38,288 counted in 2020
births since April 2020
2,026
deaths since April 2020
2,359
net migration since April 2020
+363
people who moved in, minus people who moved out
net domestic migration, 2025
-19
moved in from elsewhere in the U.S., minus moved out
net international migration, 2025
-3

Defiance County peaked at 39,987 people in 1980.

It is 1.5 times its 1900 size.

USDA rural-urban continuum code 6 of 9 (1 is the most metropolitan): nonmetro - urban population of 5,000 to 20,000, adjacent to a metro area.

USDA ERS county typology (2015 codes): a nonmetro county with a manufacturing-dependent economy, with none of the ERS distress flags.

Defiance County population by census year (Census Bureau)
YearPeopleSource
18506,966first census that counted the county
190026,387decennial census
195025,925decennial census
197036,949decennial census
200039,502decennial census
202038,288decennial census
202538,292July estimate

Source: Census Bureau Population Estimates Program (vintage 2025, join_popest.py); decennial counts 1900-1990 from 'Population of States and Counties of the United States 1790-1990', 2000/2010 from intercensal files; USDA ERS Rural-Urban Continuum Codes, 2023; USDA ERS county typology codes, 2015 edition · Census population estimates · USDA ERS county codes · USDA ERS county typology · About this topic

Moving in and out

Households that changed county between the tax returns they filed in 2022 and 2023, counted by the IRS.

households moved in, 2022 to 2023
1,520
tax returns filed from a new county
households moved out
1,418
net households
+102
moved in, minus moved out
households stayed put
31,709
Where arriving households came from (IRS returns, 2022 to 2023)
FromHouseholds
Williams, OH278
Paulding, OH175
Henry, OH111
Where leaving households went (IRS returns, 2022 to 2023)
ToHouseholds
Williams, OH244
Paulding, OH170
Henry, OH144

Source: IRS Statistics of Income county-to-county migration flows, 2022-2023 · IRS migration data · About this topic

Income and poverty

The Census Bureau's 2024 small-area estimates for the county.

of residents below the poverty line, 2024
8.9%
of children below the poverty line, 2024
12.1%
median household income, 2024
$71,913

Source: Census SAIPE 2024 county estimates · Census SAIPE · About this topic

Jobs and wages

Unemployment in the latest month and what employers in the county pay, from the Bureau of Labor Statistics.

unemployment rate, July 2026
3.3%
4.8% a year earlier
people in the labor force, July 2026
19,406
looking for work
647
average weekly wage, first quarter of 2026
$1,122
+2.1% on the year
jobs covered by unemployment insurance
15,456
+0.8% on the year
establishments
939
Largest private sectors, first quarter of 2026 (BLS QCEW)
SectorJobsAverage weekly wage
manufacturing3,086$1,823
retail2,177$697
health care and social assistance2,152$1,175

Source: BLS Local Area Unemployment Statistics; BLS Quarterly Census of Employment and Wages, 2026 Q1 · BLS local unemployment · BLS QCEW · About this topic

The county economy

What the county produces and earns, from the Bureau of Economic Analysis.

real GDP, 2024 (2017 dollars)
$1.7 billion
+1.1% since 2019
personal income per person, 2024
$51,182
69th of Ohio's 88 counties
change in income per person since 2019
+24.1%
before inflation

Source: BEA regional accounts: county GDP (CAGDP1), per capita personal income (CAINC1), 2024 · BEA county GDP · About this topic

Federal money

What the federal government obligated to the county in fiscal 2025, by county of performance; Social Security, Medicare and most benefits are not counted.

in federal contracts performed in the county, fiscal 2025
$52,272
$1 a resident
in federal grants, fiscal 2025
$63 million
$1,645 a resident
in federal loans and loan guarantees
-$15,470
in direct federal payments to people and organizations
$261 million

Source: USAspending federal awards by county of performance, fiscal 2025 · USAspending · About this topic

Health rankings

County Health Rankings 2025 measures for the county, with the Ohio figure alongside.

life expectancy at birth
76.2 years
Ohio 75.2
years of life lost before 75, per 100,000 (premature death)
8,496.1
Ohio 9,740
population health group among U.S. counties
4 of 10
1 is healthiest
community conditions group among U.S. counties
4 of 10
1 is best
of children in poverty
12.9%
Ohio 17.5%
uninsured
6.5%
Ohio 7.1%

No community water system in the county had a health-based drinking water violation in the rankings' reporting year.

County Health Rankings 2025: Defiance County and Ohio
MeasureDefiance CountyOhio
Life expectancy at birth (years)76.275.2
Years of potential life lost before 75, per 100,000 (premature death)8,496.19,740
Adults in fair or poor health18.2%17.9%
Uninsured6.5%7.1%
Children in poverty12.9%17.5%
Median household income$72,241$67,873
Income inequality (80th to 20th percentile household income ratio)3.74.6
Households with severe housing problems9.3%12.7%
People per primary care physician1,8161,328
People per mental health provider435286
People per dentist2,5461,535
Preventable hospital stays per 100,000 Medicare enrollees3,4363,033
Medicare enrollees with a flu vaccination49%51%
Injury deaths per 100,00087.2100.7
Suicides per 100,00013.414.7
Child deaths per 100,000 (under 18)41.659.2
Infant deaths per 1,000 live births7.57.0
Teen births per 1,000 females 15 to 1917.417.4
Average daily fine-particle pollution (PM2.5, µg/m³)7.87.8
Any drinking water violation in the countyNo
Population used by the rankings38,315
Population health group (1 to 10 among U.S. counties; 1 is healthiest)4
Community conditions group (1 to 10 among U.S. counties; 1 is best)4

Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute) · County Health Rankings · About this topic

Cancer

New cancers and cancer deaths per 100,000 people, age-adjusted, from the National Cancer Institute's State Cancer Profiles.

new cancers a year per 100,000 people, age-adjusted, 2018 to 2022
478.7
Ohio 472.9 · U.S. 448.6
cases a year
252
incidence trend
stable
cancer deaths a year per 100,000, age-adjusted, 2019 to 2023
165.3
Ohio 160.3 · U.S. 145.4
cancer deaths a year
91
death-rate trend
falling
-0.9% a year
Cancer incidence by site, 2018 to 2022 (NCI State Cancer Profiles)
SitePer 100,000OhioCases a yearTrend
Lung73.563.641stable
Colorectal43.438.423stable
Female breast104.1133.028stable
Prostate133.9120.837stable
Leukemia17.713.09rising
Bladder25.121.814stable

Source: NCI State Cancer Profiles, county incidence 2018-2022 and mortality 2019-2023 · NCI cancer profiles · About this topic

Drug overdoses

Provisional overdose death counts by county from the CDC, 12 months at a time.

overdose deaths in the 12 months ending September 2023
10
CDC provisional count
deaths per 100,000 residents
26.1
Ohio 20.8 in the 12 months ending December 2025
highest 12-month total since 2020
17
12 months ending August 2021

The county count has been suppressed (1 to 9 deaths) in every month after September 2023.

Source: CDC NCHS provisional county drug overdose deaths, 12-month-ending counts; CDC VSRR for the Ohio row · CDC overdose data · About this topic

Medicare

Who in the county is on Medicare and how they are covered, from CMS enrollment counts.

people on Medicare, 2025
9,578
25% of residents
aged 65 or over
8,316
younger people with disabilities
1,262
chose a Medicare Advantage plan
50.3%
also on Medicaid
13.3%
with Part D drug coverage
86.4%
enrollment since 2020
+7.2%
8,935 enrollees then

Source: CMS Medicare Monthly Enrollment by county, 2025 · CMS Medicare Monthly Enrollment · About this topic

Severe weather

Hail, wind, flooding and tornado reports logged for the county in NOAA's Storm Events database.

severe weather reports, 2016 to 2026
60
NOAA Storm Events log
in reported damage
$112,500
largest hail
1.50 in
May 28, 2017
strongest measured gust
73 mph
August 11, 2021

The costliest event was tornadoes on July 29, 2023, $55,000 in damage. A ground and drone servey revelaed a tornado touched down at a property west of Casebeer Miller Road and north of Buckskin Raod, and tracked quickly to the nort…

Severe weather reports by kind, 2016 to 2026 (NOAA Storm Events)
KindReports
damaging thunderstorm wind34
hail19
tornadoes5
flash floods1
Zone-wide advisories by kind, 2016 to 2026 (NOAA Storm Events)
KindReports
winter weather22
high wind6
winter storms6

Source: NOAA Storm Events database, 2016-2026 · NOAA storm events · About this topic

Weather warnings

Every warning, watch and advisory the National Weather Service has issued for the county since 2015.

tornado warnings since 2015
11
severe thunderstorm warnings
135
flash flood warnings
5
winter storm or blizzard warnings
9
warnings, watches and advisories in all
880
National Weather Service products for Defiance County since 2015 (Iowa Environmental Mesonet archive)
ProductCount
Tornado Warning11
Tornado Watch13
Severe Thunderstorm Warning135
Flash Flood Warning5
Flood Warning152
Areal Flood Warning14
Areal Flood Advisory35
Winter Storm Warning9
Winter Weather Advisory62
Excessive Heat Warning8
Heat Advisory36
Wind Chill Warning3
Tornado warnings by year
YearWarnings
20165
20211
20232
20241
20251
20261

Source: National Weather Service warnings/watches/advisories, Iowa Environmental Mesonet VTEC archive, since 2015 · IEM warning archive · About this topic

Drought

How often the U.S. Drought Monitor has put the county in drought since 2000.

weeks in moderate drought or worse since 2020
73
of them severe or worse
35
most recently 10 weeks in 2026
weeks at least abnormally dry since 2020
149
of all weeks since 2000 in drought
11%

The worst reading since 2000 was extreme drought in December 2025.

As of September 1, 2026: no drought.

Source: U.S. Drought Monitor weekly county statistics, 2000-2026 · U.S. Drought Monitor · About this topic

Hazard mitigation

FEMA-funded projects in the county that reduce future flood, storm and other losses: buyouts, plans, studies and equipment.

hazard mitigation projects since 2006
10
FEMA grants
total project worth
$5 million
$3 million federal
properties covered
46

Largest: Acquisition of Private Real Property (Structures and Land) - Riverine for Defiance, $2 million (fiscal 2011).

Mitigation projects by type since 2006 (OpenFEMA)
Project typeProjects
Acquisition of Private Real Property (Structures and Land) - Riverine7
Local Multijurisdictional Multihazard Mitigation Plan - UPDATE1
FMA or CRS Plan1

Source: OpenFEMA Hazard Mitigation Assistance projects, v4 API · OpenFEMA · About this topic

Air toxics

The EPA's modeled lifetime cancer risk from outdoor air toxics across the county.

lifetime cancer risk from outdoor air toxics
20 in a million
EPA AirToxScreen 2020

Mostly formaldehyde (16.1 in a million) and carbon tetrachloride (3 in a million).

Source: EPA AirToxScreen 2020 · EPA AirToxScreen · About this topic

Fluoridated water

The share of county residents on community water whose water is fluoridated, from the Ohio Department of Health.

of residents on community water receive fluoridated water
100%

Source: Ohio Department of Health county fluoridation profiles (DataOhio) · ODH fluoridation report (DataOhio) · EPA SDWIS search · About this topic

Firefighting foam (PFAS)

PFAS-based aqueous film-forming foam registered in the county with Ohio EPA, which is collecting it for disposal so it is never sprayed again.

fire departments or other holders registered
1
of PFAS-based AFFF foam registered with Ohio EPA
15 gal
in sealed containers
0 gal
in opened containers
15 gal

Source: Ohio EPA AFFF firefighting-foam inventory · Ohio EPA PFAS · About this topic

Road salt grants

H2Ohio pays for brine makers, calibrated spreaders and covered salt barns so less chloride reaches streams and wells.

H2Ohio chloride-reduction grant awarded in the county
1

Source: Ohio EPA H2Ohio chloride reduction grants · Ohio EPA chloride reduction grants · About this topic

Rail accidents

Accidents railroads reported to the Federal Railroad Administration in the county since 2010. Yard mishaps at walking speed dominate; main-line derailments are the rare, dangerous ones.

rail equipment accidents since 2010
7
FRA Form 54
derailments
2

Source: FRA Form 54 rail equipment accident reports, county fallback for railAccidentLine() · FRA rail equipment accidents (Form 54) · About this topic

House records

Where the house-by-house records on this county's ZIP pages come from, and how current they are.

parcel records placed on the map
13,980
snapshot of July 19, 2023

OGRIP Ohio Statewide Parcels, Defiance County (thin records).

Office: Ohio Department of Administrative Services, Office of Information Technology (OGRIP), from the Defiance County Auditor.

These are thin parcel records from the state's OGRIP compilation: location and class, without the auditor's appraisal detail.

2.1% of the parcels carry no land-use class.

Source: OGRIP Ohio Statewide Parcels, Defiance County (thin records), snapshot 2023-07-19 · Ohio Department of Administrative Services · About this topic

Places

The 16 cities, villages and townships whose residents live mostly in Defiance County, with the population of each.

Cities 1

ZIP codes

The 8 ZIP codes whose residents live mostly in Defiance County, largest first. Each links to its own page; the water system column links to the utility serving most of its residents.

ZIP codes of Defiance County: residents (2020 census), the water system serving most residents, radon, home value, school district and flood exposure
ZIPNameResidentsWater systemRadonHome valueSchool districtFlood
43512 Defiance 28,208 Defiance City 60%
Inland rivers
3.6 pCi/L average radon Median home $158,800 Defiance City 3.5 stars overall 4.2% of residents in the 1% floodplain
43526 Hicksville 5,995 Hicksville Village 58%
Groundwater (wells)
2.5 pCi/L average radon Median home $168,400 Hicksville Exempted Village 4.5 stars overall 0.0% of residents in the 1% floodplain
43556 Sherwood 1,762 Sherwood Village 43%
Mostly private wells
3.1 pCi/L average radon Median home $195,900 Central Local 4.5 stars overall 6.1% of residents in the 1% floodplain
43549 Washington Township and Ney 1,359 Ney Village 22%
Mostly private wells
Too few radon tests Median home $180,300 Central Local 4.5 stars overall 14% of residents in the 1% floodplain
43536 Mark Township and Mark Center 383 no mapped system Too few radon tests Median home $133,200 Central Local 4.5 stars overall 1.0% of residents in the 1% floodplain
43519 Tiffin Township and Evansport 143 no mapped system Too few radon tests Median home $114,700 Northeastern Local 4.5 stars overall 9.1% of residents in the 1% floodplain
43520 Farmer Township and Farmer 77 no mapped system Too few radon tests No Census data Central Local 4.5 stars overall 0.0% of residents in the 1% floodplain
43530 Richland Township and Jewell 15 no mapped system Too few radon tests No Census data Northeastern Local 4.5 stars overall 0.0% of residents in the 1% floodplain

Source: residents: 2020 Census (POP100, ZCTA) · water systems: EPA SDWIS + service-area-boundary join · radon: Ohio Department of Health radon test results by ZIP since 2010 · home value: Census ACS 2020-2024 5-year by ZCTA (housing/commute tables) · school districts: Ohio school district boundaries (OGRIP via ODOT) · flood: FEMA National Flood Hazard Layer.

On the map

The map has no county view of its own yet: open it at 43512, the county's most populous ZIP code, and zoom out. Every ZIP code in the table above links to its page, and each page opens the map at that ZIP.

Rankings within the county

The county's ZIP codes ranked by what the map measures; each heading links to the topic's page.

Highest radon

  1. 43512Defiance3.6 pCi/L
  2. 43556Sherwood3.1 pCi/L
  3. 43526Hicksville2.5 pCi/L

Most snow

  1. 43520Farmer Township and Farmer32.5 in a year
  2. 43519Tiffin Township and Evansport29.3 in a year
  3. 43556Sherwood24.2 in a year
  4. 43549Washington Township and Ney24.2 in a year
  5. 43530Richland Township and Jewell24.2 in a year

Highest home values

  1. 43556Sherwood$195,900
  2. 43549Washington Township and Ney$180,300
  3. 43526Hicksville$168,400
  4. 43512Defiance$158,800
  5. 43536Mark Township and Mark Center$133,200

Best school stars

  1. 43556Sherwood4.5 stars
  2. 43549Washington Township and Ney4.5 stars
  3. 43536Mark Township and Mark Center4.5 stars
  4. 43530Richland Township and Jewell4.5 stars
  5. 43526Hicksville4.5 stars

Cite and data

Cite this page as:

Ohio Hometown Atlas (Open Shower Co), "Defiance County", https://hometownatlas.openshowerco.com/county/defiance/, built 2026-09-15, accessed [date].

Machine-readable: /api/county/defiance.json (open JSON, CC BY 4.0 for the compilation; the underlying records keep their own terms) · How to cite · Report a correction · Built 2026-09-15