County · Ohio
Clinton County, Ohio
Clinton County, Ohio. Clinton County had 42,301 residents in 2025 by the Census Bureau's estimate, up 0.7% since 2020, in line with Ohio (+0.9%). It holds 22 places (9 cities, villages and boroughs and 13 towns and townships) and 10 census tracts. GEOID 39027.
Clinton County is the county of the Wilmington, OH micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
42,301
Census Bureau estimate (no margin published)
2020 Census count: 42,018 · ACS 2020-2024: 42,012
Median household income
$70,407
±$5,534 (90% margin)
Ohio: $71,389
Median home value
$211,900
±$8,994 (90% margin)
Ohio: $214,800
Median gross rent
$910
±$44 (90% margin)
Ohio: $1,034
How many people live in Clinton County, and is it growing?
The 2020 Census counted 42,018 residents in Clinton County. The Census Bureau estimates 42,301 for July 1, 2025, up 0.7% since 2020, in line with Ohio (+0.9%). The 2020-2024 American Community Survey puts the population at 42,012 over 409 square miles of land.
| Measure | Clinton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Total population | 42,012 | 11,810,293 | +55 |
| Households | 16,761±293 | 4,863,191 | no clear change |
| Average household size | 2.44±0.04 | 2.37 | no clear change |
| Housing units | 18,039±60 | 5,292,391 | no clear change |
Clinton County's population since 2000
From 40,543 in 2000 to 42,301 in 2025: up 4.3%. 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 Clinton County?
Clinton County holds 22 places: 9 cities, villages and boroughs (incorporated places) and 13 towns and townships (county subdivisions with their own government). The largest is Wilmington with 12,802 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Wilmington | 12,664 | $57,199 |
|---|---|---|
| Marion Township, Clinton County | 5,520 | $59,840 |
| Blanchester | 4,224 | $54,583 |
| Richland Township, Clinton County | 3,526 | $51,902 |
| Union Township, Clinton County | 3,140 | $118,750 |
| Vernon Township, Clinton County | 2,951 | $80,982 |
| Sabina | 2,499 | $48,750 |
| Green Township, Clinton County | 2,468 | $70,625 |
| Adams Township, Clinton County | 2,040 | $91,417 |
| Chester Township, Clinton County | 2,027 | $112,768 |
| Washington Township, Clinton County | 2,015 | $66,736 |
| Clark Township, Clinton County | 2,014 | $97,806 |
| Jefferson Township, Clinton County | 1,325 | $83,704 |
| Liberty Township, Clinton CountyGEOID 3902743064 | 1,123 | $61,202 |
| New Vienna | 1,108 | $60,962 |
| Wayne Township, Clinton CountyGEOID 3902782124 | 700 | $64,028 |
| ClarksvilleGEOID 3915406 | 534 | $63,611 |
| Wilson TownshipGEOID 3902785820 | 505 | $49,545 |
| Martinsville | 416 | $44,732 |
| MidlandGEOID 3949896 | 307 | $55,000 |
| Port William | 229 | $48,750 |
| Lynchburg | 1,510 | $70,956 |
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 Clinton County?
The median resident of Clinton County is 40.8 years old; 22.7% are under 18 and 18.6% are 65 or older. The largest group is non-Hispanic white residents at 91.7%, then non-Hispanic residents of two or more races at 3.6%. 2.2% of residents were born outside the United States.
| Measure | Clinton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.8±0.5 | 39.7 | +1.4 |
| Under 18 years | 22.7%±0.1 pts | 22.0% | – |
| 65 years and over | 18.6%±0.2 pts | 18.3% | – |
| Hispanic or Latino (any race) | 2.3% | 4.8% | +0.7 pts |
| White alone, not Hispanic | 91.7%±0.3 pts | 75.8% | −1.6 pts |
| Black or African American alone, not Hispanic | 1.8%±0.3 pts | 12.0% | no clear change |
| Asian alone, not Hispanic | 0.3%±0.2 pts | 2.5% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.6%±0.4 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.2%±0.2 pts | 0.4% | – |
| Born outside the United States | 2.2%±0.7 pts | 5.2% | no clear change |
| Speak a language other than English at home (age 5+) | 2.6%±0.6 pts | 8.0% | – |
| Civilian veterans (age 18+) | 8.9%±1.0 pts | 6.6% | – |
| With a disability | 16.1%±1.4 pts | 14.4% | – |
| No health insurance coverage | 6.0%±1.0 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 92.4%±1.3 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 19.3%±2.1 pts | 31.5% | no clear change |
| Graduate or professional degree (age 25+) | 6.7%±1.3 pts | 12.2% | – |
| Moved from another state in the past year | 0.8%±0.4 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 Clinton County earn?
Half of Clinton County's 16,761 households earn less than $70,407 a year (±$5,534), against $71,389 in Ohio. In 2015-2019 it was $64,999 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.9% of residents live below the poverty line.
| Measure | Clinton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $70,407±$5,534 | $71,389 | no clear change |
| Mean household income | $89,775±$5,458 | $96,990 | – |
| Per capita income | $36,071±$2,212 | $40,552 | +$3,224 |
| People below the poverty line | 12.9%±1.8 pts | 13.3% | no clear change |
| Children under 18 below the poverty line | 16.3%±3.5 pts | 17.8% | −6.7 pts |
| Households receiving SNAP | 11.3%±1.6 pts | 12.5% | – |
| Households with a broadband subscription | 87.2%±2.0 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 Clinton County?
Owners occupy 71.8% of Clinton County's occupied homes and renters 28.2%. The median owner-occupied home is valued at $211,900 by its owner (±$8,994). The median renter pays $910 a month including utilities, and 33.8% of renters pay 35% or more of their income on rent.
| Measure | Clinton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $211,900±$8,994 | $214,800 | +$53,879 |
| Median gross rent | $910±$44 | $1,034 | no clear change |
| Renters paying 35% or more of income on rent | 33.8%±5.5 pts | 37.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,347±$46 | $1,517 | – |
| Owner-occupied homes | 71.8%±2.5 pts | 67.2% | +7.2 pts |
| Housing units | 18,039±60 | 5,292,391 | no clear change |
| Homeowner vacancy rate | 0.1%±0.1 pts | 0.8% | – |
| Rental vacancy rate | 3.1%±2.2 pts | 4.4% | – |
| Single-family detached homes | 77.8%±2.2 pts | 68.8% | – |
| Mobile homes | 6.5%±1.5 pts | 3.4% | – |
| Built 2020 or later | 1.0%±0.6 pts | 1.1% | – |
| Built 1939 or earlier | 16.9%±2.3 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 Clinton County building?
Builders took permits for 102 new housing units across Clinton County in 2025 (102 single-family), 2.4 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 Clinton County get to work?
80.1% of Clinton County's workers drive alone and 7.8% work from home. The average trip to work takes 24.6 minutes. The unemployment rate in 2020-2024 averaged 4.5%.
| Measure | Clinton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.2%±1.4 pts | 63.1% | – |
| Unemployment rate | 4.5%±1.5 pts | 4.8% | no clear change |
| Drove alone to work | 80.1%±2.1 pts | 75.1% | – |
| Carpooled | 7.6%±1.6 pts | 7.5% | – |
| Public transportation | 0.2%±0.1 pts | 1.0% | – |
| Walked | 2.7%±0.9 pts | 2.0% | – |
| Worked from home | 7.8%±1.2 pts | 13.0% | +4.1 pts |
| Mean travel time to work | 24.6 min±1.2 | 23.4 min | −2.1 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 Clinton County's census tracts?
Clinton County is divided into 10 census tracts. Among those with a reliable estimate, median household income runs from $49,009 (Tract 9647) to $107,671 (Tract 9644).
| Tract 964339027964300 | 3,399±210 | $49,891 |
|---|---|---|
| Tract 964439027964400 | 5,458±488 | $107,671 |
| Tract 9645.0139027964501 | 3,016±340 | $67,067 |
| Tract 9645.0239027964502 | 2,818±344 | $77,674 |
| Tract 964639027964600 | 3,050±396 | $69,261 |
| Tract 964739027964700 | 6,066±432 | $49,009 |
| Tract 964839027964800 | 5,174±561 | $79,607 |
| Tract 964939027964900 | 5,083±192 | $58,165 |
| Tract 965039027965000 | 3,771±419 | $79,077 |
| Tract 965139027965100 | 4,177±373 | $80,192 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Clinton County compare with Ohio's other counties?
| Measure | Rank |
|---|---|
| Population | 59th of 88 |
| Growth 2020-2025 | 29th of 88 |
| Residents per square mile | 53rd of 88 |
| Median household income | 38th of 88 |
| Median home value | 25th of 88 |
| Median gross rent | 32nd of 88 |
| Poverty rate | 43rd of 88 |
| Bachelor's degree or higher | 51st of 88 |
| Median age | 56th 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 Clinton 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.