County · Ohio
Butler County, Ohio
Butler County, Ohio. Butler County had 400,128 residents in 2025 by the Census Bureau's estimate, up 2.5% since 2020, faster than Ohio (+0.9%). It holds 34 places (12 cities, villages and boroughs, 13 towns and townships and 9 census-designated) and 86 census tracts. GEOID 39017.
Butler County is one of the 15 counties of the Cincinnati, OH-KY-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
400,128
Census Bureau estimate (no margin published)
2020 Census count: 390,357 · ACS 2020-2024: 392,876
Median household income
$81,590
±$1,701 (90% margin)
Ohio: $71,389
Median home value
$258,500
±$4,939 (90% margin)
Ohio: $214,800
Median gross rent
$1,135
±$19 (90% margin)
Ohio: $1,034
How many people live in Butler County, and is it growing?
The 2020 Census counted 390,357 residents in Butler County. The Census Bureau estimates 400,128 for July 1, 2025, up 2.5% since 2020, faster than Ohio (+0.9%). The 2020-2024 American Community Survey puts the population at 392,876 over 467 square miles of land.
| Measure | Butler County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Total population | 392,876 | 11,810,293 | +12,857 |
| Households | 146,822±835 | 4,863,191 | +7,709 |
| Average household size | 2.60±0.01 | 2.37 | −0.05 |
| Housing units | 155,372±225 | 5,292,391 | +3,485 |
Butler County's population since 2000
From 332,807 in 2000 to 400,128 in 2025: up 20.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Butler County?
Butler County holds 34 places: 12 cities, villages and boroughs (incorporated places), 13 towns and townships (county subdivisions with their own government) and 9 census-designated places. The largest is West Chester Township with 67,165 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| West Chester Township | 64,830 | $109,979 |
|---|---|---|
| Hamilton | 63,399 | $55,166 |
| Middletown | 50,987 | $57,102 |
| Fairfield | 44,907 | $77,937 |
| Liberty Township, Butler County | 43,999 | $147,886 |
| Oxford Township, Butler County | 25,469 | $44,256 |
| Oxford | 23,035 | $40,764 |
| Fairfield Township, Butler County | 22,645 | $108,353 |
| Lemon Township | 16,885 | $101,942 |
| Monroe | 15,412 | $105,250 |
| Trenton | 13,021 | $80,635 |
| Beckett Ridge | 9,192 | $116,425 |
| Ross Township, Butler County | 8,751 | $93,906 |
| Madison Township, Butler County | 8,556 | $82,216 |
| Hanover Township, Butler County | 8,111 | $79,911 |
| St. Clair Township, Butler County | 6,671 | $62,378 |
| Morgan Township, Butler County | 5,345 | $107,875 |
| Wayne Township, Butler County | 4,375 | $80,337 |
| Milford Township, Butler County | 3,523 | $83,750 |
| Ross | 3,478 | $64,522 |
| Four Bridges | 3,401 | $121,764 |
| Reily Township | 2,660 | $77,421 |
| Sharonville | 14,117 | $74,649 |
| New Miami | 2,217 | $43,281 |
| WetheringtonGEOID 3984528 | 1,381 | $167,625 |
| Seven MileGEOID 3971444 | 712 | $57,708 |
| Millville | 634 | $75,625 |
| WilliamsdaleGEOID 3985344 | 578 | $75,625 |
| DarrtownGEOID 3920268 | 514 | $56,518 |
| WoodsdaleGEOID 3986422 | 442 | $71,806 |
| SomervilleGEOID 3972998 | 258 | $58,438 |
| Olde West ChesterGEOID 3958149 | 201 | not published |
| College Corner | 387 | $53,224 |
| JacksonburgGEOID 3938192 | 55 | $66,250 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Butler County?
The median resident of Butler County is 37.2 years old; 23.4% are under 18 and 15.9% are 65 or older. The largest group is non-Hispanic white residents at 74.6%, then non-Hispanic Black residents at 8.3%. 8.0% of residents were born outside the United States.
| Measure | Butler County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median age | 37.2±0.2 | 39.7 | +0.5 |
| Under 18 years | 23.4% | 22.0% | – |
| 65 years and over | 15.9%±0.1 pts | 18.3% | – |
| Hispanic or Latino (any race) | 7.0% | 4.8% | +2.3 pts |
| White alone, not Hispanic | 74.6%±0.3 pts | 75.8% | −6.4 pts |
| Black or African American alone, not Hispanic | 8.3%±0.3 pts | 12.0% | no clear change |
| Asian alone, not Hispanic | 4.3%±0.2 pts | 2.5% | +1.0 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.3%±0.4 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.5%±0.2 pts | 0.4% | – |
| Born outside the United States | 8.0%±0.5 pts | 5.2% | +1.9 pts |
| Speak a language other than English at home (age 5+) | 10.7%±0.6 pts | 8.0% | – |
| Civilian veterans (age 18+) | 5.9%±0.3 pts | 6.6% | – |
| With a disability | 12.5%±0.5 pts | 14.4% | – |
| No health insurance coverage | 6.2%±0.5 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 91.2%±0.5 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 32.8%±0.9 pts | 31.5% | +2.6 pts |
| Graduate or professional degree (age 25+) | 11.7%±0.6 pts | 12.2% | – |
| Moved from another state in the past year | 1.9%±0.2 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Butler County earn?
Half of Butler County's 146,822 households earn less than $81,590 a year (±$1,701), against $71,389 in Ohio. In 2015-2019 it was $81,370 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.8% of residents live below the poverty line.
| Measure | Butler County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $81,590±$1,701 | $71,389 | no clear change |
| Mean household income | $104,738±$1,969 | $96,990 | – |
| Per capita income | $40,027±$705 | $40,552 | no clear change |
| People below the poverty line | 11.8%±0.7 pts | 13.3% | no clear change |
| Children under 18 below the poverty line | 13.1%±1.5 pts | 17.8% | −3.2 pts |
| Households receiving SNAP | 9.8%±0.7 pts | 12.5% | – |
| Households with a broadband subscription | 92.2%±0.6 pts | 90.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Butler County?
Owners occupy 69.9% of Butler County's occupied homes and renters 30.1%. The median owner-occupied home is valued at $258,500 by its owner (±$4,939). The median renter pays $1,135 a month including utilities, and 40.3% of renters pay 35% or more of their income on rent.
| Measure | Butler County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $258,500±$4,939 | $214,800 | +$45,713 |
| Median gross rent | $1,135±$19 | $1,034 | +$48 |
| Renters paying 35% or more of income on rent | 40.3%±2.1 pts | 37.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,665±$25 | $1,517 | – |
| Owner-occupied homes | 69.9%±1.0 pts | 67.2% | +1.8 pts |
| Housing units | 155,372±225 | 5,292,391 | +3,485 |
| Homeowner vacancy rate | 0.8%±0.3 pts | 0.8% | – |
| Rental vacancy rate | 4.5%±0.9 pts | 4.4% | – |
| Single-family detached homes | 72.4%±0.8 pts | 68.8% | – |
| Mobile homes | 2.3%±0.3 pts | 3.4% | – |
| Built 2020 or later | 0.9%±0.2 pts | 1.1% | – |
| Built 1939 or earlier | 10.7%±0.5 pts | 19.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Butler County building?
Builders took permits for 1,021 new housing units across Butler County in 2025 (562 single-family), 2.6 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Butler County get to work?
75.1% of Butler County's workers drive alone and 13.3% work from home. The average trip to work takes 24.3 minutes. The unemployment rate in 2020-2024 averaged 5.1%.
| Measure | Butler County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.9%±0.7 pts | 63.1% | – |
| Unemployment rate | 5.1%±0.5 pts | 4.8% | no clear change |
| Drove alone to work | 75.1%±0.9 pts | 75.1% | – |
| Carpooled | 8.1%±0.6 pts | 7.5% | – |
| Public transportation | 0.3%±0.1 pts | 1.0% | – |
| Walked | 1.7%±0.3 pts | 2.0% | – |
| Worked from home | 13.3%±0.7 pts | 13.0% | +8.4 pts |
| Mean travel time to work | 24.3 min±0.5 | 23.4 min | −0.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Butler County's census tracts?
Butler County is divided into 86 census tracts. Among those with a reliable estimate, median household income runs from $23,207 (Tract 101.06) to $184,080 (Tract 111.33).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Butler County compare with Ohio's other counties?
| Measure | Rank |
|---|---|
| Population | 7th of 88 |
| Growth 2020-2025 | 14th of 88 |
| Residents per square mile | 8th of 88 |
| Median household income | 12th of 88 |
| Median home value | 11th of 88 |
| Median gross rent | 7th of 88 |
| Poverty rate | 54th of 88 |
| Bachelor's degree or higher | 13th of 88 |
| Median age | 82nd of 88 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Butler County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.