County

Butler County, Ohio

Ohio · 400,128 residents (July 2025 estimate) · 13 ZIP codes · 22 cities, villages and townships

400,128 people (July 2025 estimate), +2.5% since the 2020 census; life expectancy 75.4 years; median household income $80,560 (2024). The county in numbers

Butler County, Ohio

Butler County in numbers

The public records that are kept county by county, in 22 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
400,128
Census Bureau vintage 2025
since the April 2020 census
+2.5%
390,345 counted in 2020
births since April 2020
21,263
deaths since April 2020
19,801
net migration since April 2020
+8,224
people who moved in, minus people who moved out
net domestic migration, 2025
+82
moved in from elsewhere in the U.S., minus moved out
net international migration, 2025
+1,711

Butler County has never had more people than it has today.

It is 7.0 times its 1900 size.

USDA rural-urban continuum code 1 of 9 (1 is the most metropolitan): metro - counties in metro areas of 1 million population or more.

USDA ERS county typology (2015 codes): a metro county with a nonspecialized economy, with none of the ERS distress flags.

Butler County population by census year (Census Bureau)
YearPeopleSource
181011,150first census that counted the county
190056,870decennial census
1950147,203decennial census
1970226,207decennial census
2000332,341decennial census
2020390,345decennial census
2025400,128July 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
16,831
tax returns filed from a new county
households moved out
16,455
net households
+376
moved in, minus moved out
households stayed put
301,578
Where arriving households came from (IRS returns, 2022 to 2023)
FromHouseholds
Hamilton, OH5,632
Warren, OH2,317
Montgomery, OH931
Where leaving households went (IRS returns, 2022 to 2023)
ToHouseholds
Hamilton, OH4,535
Warren, OH2,693
Montgomery, OH1,216

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
13.0%
of children below the poverty line, 2024
15.5%
median household income, 2024
$80,560

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
3.6%
5.0% a year earlier
people in the labor force, July 2026
198,657
looking for work
7,207
average weekly wage, first quarter of 2026
$1,405
+1.8% on the year
jobs covered by unemployment insurance
163,937
+0.5% on the year
establishments
9,216
Largest private sectors, first quarter of 2026 (BLS QCEW)
SectorJobsAverage weekly wage
manufacturing26,095$2,197
health care and social assistance21,025$1,225
restaurants and hotels17,355$439

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)
$23.1 billion
+4.7% since 2019
personal income per person, 2024
$60,037
30th of Ohio's 88 counties
change in income per person since 2019
+22.6%
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
$496 million
$1,269 a resident
in federal grants, fiscal 2025
$693 million
$1,775 a resident
in federal loans and loan guarantees
$925,235
in direct federal payments to people and organizations
$2.1 billion

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
75.4 years
Ohio 75.2
years of life lost before 75, per 100,000 (premature death)
9,596.1
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
13.3%
Ohio 17.5%
uninsured
6.6%
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: Butler County and Ohio
MeasureButler CountyOhio
Life expectancy at birth (years)75.475.2
Years of potential life lost before 75, per 100,000 (premature death)9,596.19,740
Adults in fair or poor health18.9%17.9%
Uninsured6.6%7.1%
Children in poverty13.3%17.5%
Median household income$80,066$67,873
Income inequality (80th to 20th percentile household income ratio)4.54.6
Households with severe housing problems11.9%12.7%
People per primary care physician1,9221,328
People per mental health provider344286
People per dentist1,9131,535
Preventable hospital stays per 100,000 Medicare enrollees3,5743,033
Medicare enrollees with a flu vaccination54%51%
Injury deaths per 100,00095.1100.7
Suicides per 100,00013.514.7
Child deaths per 100,000 (under 18)47.959.2
Infant deaths per 1,000 live births6.97.0
Teen births per 1,000 females 15 to 1914.817.4
Average daily fine-particle pollution (PM2.5, µg/m³)10.47.8
Any drinking water violation in the countyNo
Population used by the rankings393,043
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
470.0
Ohio 472.9 · U.S. 448.6
cases a year
2,124
incidence trend
stable
cancer deaths a year per 100,000, age-adjusted, 2019 to 2023
158.1
Ohio 160.3 · U.S. 145.4
cancer deaths a year
717
death-rate trend
falling
-1.6% a year
Cancer incidence by site, 2018 to 2022 (NCI State Cancer Profiles)
SitePer 100,000OhioCases a yearTrend
Lung64.463.6300falling
Colorectal40.838.4178falling
Female breast139.9133.0325rising
Prostate107.5120.8251rising
Leukemia13.513.058rising
Bladder21.421.896stable

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 December 2025
96
CDC provisional count
deaths per 100,000 residents
24.4
Ohio 20.8
deaths a year earlier
96
highest 12-month total since 2020
214
12 months ending April 2021

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
75,053
19% of residents
aged 65 or over
66,671
younger people with disabilities
8,382
chose a Medicare Advantage plan
56.3%
also on Medicaid
14.5%
with Part D drug coverage
83.8%
enrollment since 2020
+9.7%
68,399 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
182
NOAA Storm Events log
in reported damage
$2 million
largest hail
2 in
February 27, 2023
strongest measured gust
68 mph
June 13, 2022

The costliest event was tornadoes on February 27, 2023, $500,000 in damage. The tornado first touched down near the intersection of Jacksonburg Road and Oxford Middletown Road, where some minor roof and tree damage was observed. Damage…

Severe weather reports by kind, 2016 to 2026 (NOAA Storm Events)
KindReports
damaging thunderstorm wind82
hail38
flash floods32
river and street flooding20
Zone-wide advisories by kind, 2016 to 2026 (NOAA Storm Events)
KindReports
winter weather43
winter storms15
high wind6

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
22
severe thunderstorm warnings
199
flash flood warnings
48
winter storm or blizzard warnings
17
warnings, watches and advisories in all
1,164
National Weather Service products for Butler County since 2015 (Iowa Environmental Mesonet archive)
ProductCount
Tornado Warning22
Tornado Watch35
Severe Thunderstorm Warning199
Flash Flood Warning48
Flood Warning17
Areal Flood Warning36
Areal Flood Advisory181
Winter Storm Warning17
Winter Weather Advisory79
Excessive Heat Warning7
Heat Advisory40
Extreme Cold Warning2
Wind Chill Warning3
Snow Squall Warning1
Tornado warnings by year
YearWarnings
20161
20171
20191
20211
20232
20247
20253
20266

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
28
of them severe or worse
2
most recently 2 weeks in 2024
weeks at least abnormally dry since 2020
73
of all weeks since 2000 in drought
7%

The worst reading since 2000 was extreme drought in September 2024.

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 2000
5
FEMA grants
total project worth
$3 million
$2 million federal
properties covered
15

Largest: Acquisition of Private Real Property (Structures and Land) - Riverine for Fairfield, $2 million (fiscal 2009).

Mitigation projects by type since 2000 (OpenFEMA)
Project typeProjects
Acquisition of Private Real Property (Structures and Land) - Riverine3
Local Multihazard Mitigation Plan1
Generators1

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

Air quality this year

The EPA's daily county air quality index for 2026 so far: how many days were good, moderate or worse, and the year's peak.

good air days in 2026 so far
46
of 120 days indexed through April 30, 2026
moderate days
74
days unhealthy for sensitive groups or worse
0
peak air quality index
93
Ozone, April 30, 2026

Source: EPA daily county AQI file for 2026 (January to the file's latest date) · EPA air data files · About this topic

Clean air standards

Which federal air standards the county fails or once failed, from the EPA's Green Book.

Butler County is a maintenance area for the ozone (2008) standard (Cincinnati, OH-KY-IN area, redesignated 2016), the ozone (2015) standard (Cincinnati, OH-KY area, redesignated 2022), the fine particulate (1997) standard (Cincinnati-Hamilton, OH-KY-IN area, redesignated 2017), meaning it once failed that standard and must keep a plan to stay clean.

EPA Green Book status for Butler County (September 2026)
StandardAreaClassificationStatusRedesignated
ozone (2008)Cincinnati, OH-KY-INMarginalmaintenance2016
ozone (2015)Cincinnati, OH-KYMarginalmaintenance2022
fine particulate (1997)Cincinnati-Hamilton, OH-KY-INFormer Subpart 1maintenance2017

Source: EPA Green Book county nonattainment/maintenance status (nayro.xls, September 2026) · EPA Green Book · 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
30 in a million
EPA AirToxScreen 2020

Mostly formaldehyde (19.2 in a million) and carbon tetrachloride (2.9 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
99.5%

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
9
of PFAS-based AFFF foam registered with Ohio EPA
915 gal
in sealed containers
170 gal
in opened containers
745 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
25
FRA Form 54
derailments
20

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
126,114
snapshot of September 14, 2026

Butler County Auditor CAMA fields on the county parcel GIS layer (BCEO Parcels, iasWorld extract); partial.

Office: Butler County Auditor (Hamilton, Ohio); layer served by the Butler County Engineer's Office GIS, drawn by the Auditor's own public GIS Viewer.

These are full appraisal records: every house's year built, value and sales history opens from its ZIP page.

Source: Butler County Auditor CAMA fields on the county parcel GIS layer (BCEO Parcels, iasWorld extract); partial, snapshot 2026-09-14 · Butler County Auditor (Hamilton · About this topic

Places

The 22 cities, villages and townships whose residents live mostly in Butler County, with the population of each.

ZIP codes

The 13 ZIP codes whose residents live mostly in Butler 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 Butler County: residents (2020 census), the water system serving most residents, radon, home value, school district and flood exposure
ZIPNameResidentsWater systemRadonHome valueSchool districtFlood
45011 Liberty Township and Hamilton 73,596 Butler Co. Water District 2 60%
Groundwater (wells)
4.3 pCi/L average radon Median home $293,800 Lakota Local 4.5 stars overall 2.3% of residents in the 1% floodplain
45044 Middletown 56,128 Middletown City 58%
Groundwater (wells)
4.1 pCi/L average radon Median home $241,600 Middletown City 2 stars overall 1.0% of residents in the 1% floodplain
45013 Hamilton 53,911 Hamilton Public Water System 59%
Groundwater (wells)
4.4 pCi/L average radon Median home $232,200 Hamilton City 3 stars overall 2.2% of residents in the 1% floodplain
45069 West Chester Township and West Chester 53,694 Butler Co. Water District 2 96%
Groundwater (wells)
4.0 pCi/L average radon Median home $345,000 Lakota Local 4.5 stars overall 0.5% of residents in the 1% floodplain
45014 Fairfield 46,169 Fairfield City 88%
Groundwater (wells)
4.7 pCi/L average radon Median home $232,400 Fairfield City 3.5 stars overall 5.5% of residents in the 1% floodplain
45056 Oxford 28,892 Oxford City 77%
Groundwater (wells)
3.8 pCi/L average radon Median home $250,700 Talawanda City 4 stars overall 0.2% of residents in the 1% floodplain
45042 Middletown 26,972 Middletown City 67%
Groundwater (wells)
4.9 pCi/L average radon Median home $202,200 Middletown City 2 stars overall 0.8% of residents in the 1% floodplain
45067 Trenton 15,004 Trenton City 87%
Groundwater (wells)
9.2 pCi/L average radon Median home $236,700 Edgewood City 3 stars overall 1.3% of residents in the 1% floodplain
45050 Monroe 12,173 Monroe City 99%
Groundwater (wells)
5.8 pCi/L average radon Median home $293,100 Monroe Local 4.5 stars overall 0.0% of residents in the 1% floodplain
45015 Hamilton 12,103 Hamilton Public Water System 97%
Groundwater (wells)
4.7 pCi/L average radon Median home $120,700 Hamilton City 3 stars overall 0.6% of residents in the 1% floodplain
45053 Morgan Township and Okeana 3,375 Southwest Regional Water District 79%
Groundwater (wells)
4.0 pCi/L average radon Median home $342,000 Ross Local 4.5 stars overall 2.5% of residents in the 1% floodplain
45062 Seven Mile 775 Southwest Regional Water District 100%
Groundwater (wells)
7.6 pCi/L average radon Median home $141,700 Edgewood City 3 stars overall 0.0% of residents in the 1% floodplain
45055 Saint Clair Township and Overpeck 76 Southwest Regional Water District 55%
Groundwater (wells)
8.4 pCi/L average radon No Census data New Miami Local 3 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 45011, 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. 45067Trenton9.2 pCi/L
  2. 45055Saint Clair Township and Overpeck8.4 pCi/L
  3. 45062Seven Mile7.6 pCi/L
  4. 45050Monroe5.8 pCi/L
  5. 45042Middletown4.9 pCi/L

Most snow

  1. 45053Morgan Township and Okeana16 in a year
  2. 45014Fairfield16 in a year
  3. 45069West Chester Township and West Chester14.4 in a year
  4. 45067Trenton9.7 in a year
  5. 45062Seven Mile9.7 in a year

Oldest homes

  1. 45062Seven Milemedian year built 1938
  2. 45055Saint Clair Township and Overpeckmedian year built 1948
  3. 45015Hamiltonmedian year built 1949
  4. 45042Middletownmedian year built 1957
  5. 45013Hamiltonmedian year built 1962

Highest home values

  1. 45069West Chester Township and West Chester$345,000
  2. 45053Morgan Township and Okeana$342,000
  3. 45011Liberty Township and Hamilton$293,800
  4. 45050Monroe$293,100
  5. 45056Oxford$250,700

Best school stars

  1. 45069West Chester Township and West Chester4.5 stars
  2. 45053Morgan Township and Okeana4.5 stars
  3. 45050Monroe4.5 stars
  4. 45011Liberty Township and Hamilton4.5 stars
  5. 45056Oxford4.0 stars

Cite and data

Cite this page as:

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

Machine-readable: /api/county/butler.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