County · Ohio
Warren County, Ohio
Warren County, Ohio. Warren County had 257,181 residents in 2025 by the Census Bureau's estimate, up 6.1% since 2020, faster than Ohio (+0.9%). It holds 34 places (17 cities, villages and boroughs, 11 towns and townships and 6 census-designated) and 44 census tracts. GEOID 39165.
Warren 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
257,181
Census Bureau estimate (no margin published)
2020 Census count: 242,337 · ACS 2020-2024: 250,008
Median household income
$110,132
±$2,685 (90% margin)
Ohio: $71,389
Median home value
$349,400
±$6,361 (90% margin)
Ohio: $214,800
Median gross rent
$1,361
±$44 (90% margin)
Ohio: $1,034
How many people live in Warren County, and is it growing?
The 2020 Census counted 242,337 residents in Warren County. The Census Bureau estimates 257,181 for July 1, 2025, up 6.1% since 2020, faster than Ohio (+0.9%). The 2020-2024 American Community Survey puts the population at 250,008 over 401 square miles of land.
| Measure | Warren County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Total population | 250,008 | 11,810,293 | +20,876 |
| Households | 92,052±741 | 4,863,191 | +9,095 |
| Average household size | 2.66±0.02 | 2.37 | no clear change |
| Housing units | 96,061±115 | 5,292,391 | +8,896 |
Warren County's population since 2000
From 158,383 in 2000 to 257,181 in 2025: up 62.4%. 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 Warren County?
Warren County holds 34 places: 17 cities, villages and boroughs (incorporated places), 11 towns and townships (county subdivisions with their own government) and 6 census-designated places. The largest is Deerfield Township, Warren County with 43,979 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Deerfield Township, Warren County | 40,525 | $125,191 |
|---|---|---|
| Clear Creek Township, Warren County | 36,238 | $132,049 |
| Mason | 34,792 | $125,401 |
| Franklin Township, Warren County | 31,676 | $75,257 |
| Hamilton Township, Warren County | 30,587 | $119,478 |
| Lebanon | 20,841 | $83,685 |
| Springboro | 19,062 | $119,659 |
| Turtlecreek Township | 17,644 | $108,309 |
| Franklin | 11,690 | $58,587 |
| Wayne Township, Warren County | 8,658 | $85,694 |
| Landen | 6,995 | $109,434 |
| South Lebanon | 6,384 | $104,511 |
| Union Township, Warren County | 6,251 | $103,205 |
| Carlisle | 5,501 | $71,136 |
| Salem Township, Warren County | 5,215 | $96,104 |
| Harlan Township | 4,929 | $108,214 |
| Middletown | 50,987 | $57,102 |
| HunterGEOID 3936806 | 3,363 | $127,411 |
| Washington Township, Warren County | 2,752 | $120,993 |
| Waynesville | 2,669 | $79,048 |
| Five PointsGEOID 3927303 | 2,247 | $144,293 |
| Morrow | 2,049 | $82,260 |
| Maineville | 1,405 | $92,979 |
| Kings MillsGEOID 3940348 | 1,336 | $139,643 |
| Loveland Park | 1,737 | $118,636 |
| Massie Township | 1,195 | $82,933 |
| Loveland | 13,307 | $94,323 |
| RoachesterGEOID 3967580 | 579 | $69,120 |
| Harveysburg | 554 | $71,420 |
| Corwin | 484 | $90,313 |
| ButlervilleGEOID 3910674 | 155 | $85,875 |
| Pleasant PlainGEOID 3963576 | 129 | $97,250 |
| Monroe | 15,412 | $105,250 |
| Blanchester | 4,224 | $54,583 |
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 Warren County?
The median resident of Warren County is 40.1 years old; 23.8% are under 18 and 15.8% are 65 or older. The largest group is non-Hispanic white residents at 81.8%, then non-Hispanic Asian residents at 7.2%. 9.1% of residents were born outside the United States.
| Measure | Warren County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.1±0.3 | 39.7 | +0.7 |
| Under 18 years | 23.8% | 22.0% | – |
| 65 years and over | 15.8% | 18.3% | – |
| Hispanic or Latino (any race) | 3.5% | 4.8% | +0.7 pts |
| White alone, not Hispanic | 81.8%±0.5 pts | 75.8% | −4.4 pts |
| Black or African American alone, not Hispanic | 3.2%±0.2 pts | 12.0% | no clear change |
| Asian alone, not Hispanic | 7.2%±0.3 pts | 2.5% | +1.5 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.6%±0.5 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.7%±0.4 pts | 0.4% | – |
| Born outside the United States | 9.1%±0.5 pts | 5.2% | +2.5 pts |
| Speak a language other than English at home (age 5+) | 10.8%±0.7 pts | 8.0% | – |
| Civilian veterans (age 18+) | 6.7%±0.4 pts | 6.6% | – |
| With a disability | 10.5%±0.6 pts | 14.4% | – |
| No health insurance coverage | 3.9%±0.4 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 95.1%±0.4 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 45.6%±1.1 pts | 31.5% | +2.6 pts |
| Graduate or professional degree (age 25+) | 18.4%±0.8 pts | 12.2% | – |
| Moved from another state in the past year | 1.9%±0.5 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 Warren County earn?
Half of Warren County's 92,052 households earn less than $110,132 a year (±$2,685), against $71,389 in Ohio. In 2015-2019 it was $107,224 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.0% of residents live below the poverty line.
| Measure | Warren County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $110,132±$2,685 | $71,389 | no clear change |
| Mean household income | $145,195±$4,790 | $96,990 | – |
| Per capita income | $53,621±$1,457 | $40,552 | +$2,188 |
| People below the poverty line | 6.0%±0.6 pts | 13.3% | +1.4 pts |
| Children under 18 below the poverty line | 6.5%±1.3 pts | 17.8% | +1.7 pts |
| Households receiving SNAP | 4.6%±0.8 pts | 12.5% | – |
| Households with a broadband subscription | 94.9%±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 Warren County?
Owners occupy 79.4% of Warren County's occupied homes and renters 20.6%. The median owner-occupied home is valued at $349,400 by its owner (±$6,361). The median renter pays $1,361 a month including utilities, and 32.4% of renters pay 35% or more of their income on rent.
| Measure | Warren County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $349,400±$6,361 | $214,800 | +$75,571 |
| Median gross rent | $1,361±$44 | $1,034 | +$55 |
| Renters paying 35% or more of income on rent | 32.4%±3.3 pts | 37.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,974±$38 | $1,517 | – |
| Owner-occupied homes | 79.4%±0.9 pts | 67.2% | +1.7 pts |
| Housing units | 96,061±115 | 5,292,391 | +8,896 |
| Homeowner vacancy rate | 0.4%±0.2 pts | 0.8% | – |
| Rental vacancy rate | 5.4%±1.9 pts | 4.4% | – |
| Single-family detached homes | 76.6%±1.1 pts | 68.8% | – |
| Mobile homes | 1.0%±0.3 pts | 3.4% | – |
| Built 2020 or later | 3.2%±0.4 pts | 1.1% | – |
| Built 1939 or earlier | 5.6%±0.6 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 Warren County building?
Builders took permits for 1,442 new housing units across Warren County in 2025 (838 single-family), 5.6 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 Warren County get to work?
73.7% of Warren County's workers drive alone and 18.6% work from home. The average trip to work takes 25.3 minutes. The unemployment rate in 2020-2024 averaged 3.1%.
| Measure | Warren County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.1%±1.0 pts | 63.1% | – |
| Unemployment rate | 3.1%±0.5 pts | 4.8% | no clear change |
| Drove alone to work | 73.7%±1.3 pts | 75.1% | – |
| Carpooled | 5.9%±0.6 pts | 7.5% | – |
| Public transportation | 0.1%±0.1 pts | 1.0% | – |
| Walked | 0.6%±0.2 pts | 2.0% | – |
| Worked from home | 18.6%±1.2 pts | 13.0% | +12.2 pts |
| Mean travel time to work | 25.3 min±0.6 | 23.4 min | no clear change |
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 Warren County's census tracts?
Warren County is divided into 44 census tracts. Among those with a reliable estimate, median household income runs from $41,599 (Tract 302) to $187,566 (Tract 309.02).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Warren County compare with Ohio's other counties?
| Measure | Rank |
|---|---|
| Population | 10th of 88 |
| Growth 2020-2025 | 6th of 88 |
| Residents per square mile | 11th of 88 |
| Median household income | 3rd of 88 |
| Median home value | 2nd of 88 |
| Median gross rent | 2nd of 88 |
| Poverty rate | 84th of 88 |
| Bachelor's degree or higher | 2nd of 88 |
| Median age | 64th 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 Warren 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.