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.

  • July 2020→2021 +107 (42,142)
  • 2021→2022 −249 (41,893)
  • 2022→2023 +114 (42,007)
  • 2023→2024 +39 (42,046)
  • 2024→2025 +255 (42,301)
Clinton County in Ohio. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureClinton CountyOhioChange since 2015-2019
Total population42,01211,810,293+55
Households16,761±2934,863,191no clear change
Average household size2.44±0.042.37no clear change
Housing units18,039±605,292,391no 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.

  • 2000 Census 40,543
  • 2005 (estimate) 41,775
  • 2010 Census 42,040
  • 2015 (estimate) 41,864
  • 2020 Census 42,018
  • 2025 (estimate) 42,301

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.

Places in Clinton County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Wilmingtoncity12,66412,620±55$57,199$174,40017.5%100%
Marion Township, Clinton Countytownship5,5205,516±29$59,840$200,20014.2%100%
Blanchestervillage4,2244,538±367$54,583$195,70013.2%100%
Richland Township, Clinton Countytownship3,5263,524±28$51,902$119,30022.4%100%
Union Township, Clinton Countytownship3,1403,147±25$118,750$287,3002.4%100%
Vernon Township, Clinton Countytownship2,9513,016±16$80,982$227,50010.8%100%
Sabinavillage2,4992,734±217$48,750$95,90022.7%100%
Green Township, Clinton Countytownship2,4682,509±21$70,625$166,5008.4%100%
Adams Township, Clinton Countytownship2,0402,404±542$91,417$343,8007.5%100%
Chester Township, Clinton Countytownship2,0272,824±564$112,768$393,3008.5%100%
Washington Township, Clinton Countytownship2,0151,558±340$66,736$214,00014.4%100%
Clark Township, Clinton Countytownship2,0142,130±485$97,806$266,5008.0%100%
Jefferson Township, Clinton Countytownship1,3251,280±314$83,704$178,00011.0%100%
Liberty Township, Clinton CountyGEOID 3902743064township1,123651±316$61,202$251,00010.3%100%
New Viennavillage1,1081,214±270$60,962$137,8008.8%100%
Wayne Township, Clinton CountyGEOID 3902782124township700409±149$64,028$210,5005.9%100%
ClarksvilleGEOID 3915406village534573±199$63,611$158,80022.9%100%
Wilson TownshipGEOID 3902785820township505424±193$49,545$253,6004.0%100%
Martinsvillevillage416352±87$44,732$109,80017.7%100%
MidlandGEOID 3949896village307337±105$55,000$121,10019.0%100%
Port Williamvillage229175±61$48,750$96,70028.0%100%
Lynchburgvillage1,5101,493±348$70,956$150,60012.1%0%

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.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureClinton CountyOhioChange since 2015-2019
Median age40.8±0.539.7+1.4
Under 18 years22.7%±0.1 pts22.0%–
65 years and over18.6%±0.2 pts18.3%–
Hispanic or Latino (any race)2.3%4.8%+0.7 pts
White alone, not Hispanic91.7%±0.3 pts75.8%−1.6 pts
Black or African American alone, not Hispanic1.8%±0.3 pts12.0%no clear change
Asian alone, not Hispanic0.3%±0.2 pts2.5%–
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic3.6%±0.4 pts4.3%–
Some other race alone, not Hispanic0.2%±0.2 pts0.4%–
Born outside the United States2.2%±0.7 pts5.2%no clear change
Speak a language other than English at home (age 5+)2.6%±0.6 pts8.0%–
Civilian veterans (age 18+)8.9%±1.0 pts6.6%–
With a disability16.1%±1.4 pts14.4%–
No health insurance coverage6.0%±1.0 pts6.4%no clear change
High school graduate or higher (age 25+)92.4%±1.3 pts91.8%–
Bachelor's degree or higher (age 25+)19.3%±2.1 pts31.5%no clear change
Graduate or professional degree (age 25+)6.7%±1.3 pts12.2%–
Moved from another state in the past year0.8%±0.4 pts1.6%–

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.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureClinton CountyOhioChange since 2015-2019
Median household income$70,407±$5,534$71,389no 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 line12.9%±1.8 pts13.3%no clear change
Children under 18 below the poverty line16.3%±3.5 pts17.8%−6.7 pts
Households receiving SNAP11.3%±1.6 pts12.5%–
Households with a broadband subscription87.2%±2.0 pts90.1%–

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.

Housing, ACS 2020-2024 5-year estimates
MeasureClinton CountyOhioChange since 2015-2019
Median home value (owner-occupied)$211,900±$8,994$214,800+$53,879
Median gross rent$910±$44$1,034no clear change
Renters paying 35% or more of income on rent33.8%±5.5 pts37.3%no clear change
Median monthly owner costs, with a mortgage$1,347±$46$1,517–
Owner-occupied homes71.8%±2.5 pts67.2%+7.2 pts
Housing units18,039±605,292,391no clear change
Homeowner vacancy rate0.1%±0.1 pts0.8%–
Rental vacancy rate3.1%±2.2 pts4.4%–
Single-family detached homes77.8%±2.2 pts68.8%–
Mobile homes6.5%±1.5 pts3.4%–
Built 2020 or later1.0%±0.6 pts1.1%–
Built 1939 or earlier16.9%±2.3 pts19.0%–

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.

  • 2019 56 units
  • 2020 46 units
  • 2021 88 units
  • 2022 110 units
  • 2023 101 units
  • 2024 120 units
  • 2025 102 units

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%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureClinton CountyOhioChange since 2015-2019
In the labor force (age 16+)62.2%±1.4 pts63.1%–
Unemployment rate4.5%±1.5 pts4.8%no clear change
Drove alone to work80.1%±2.1 pts75.1%–
Carpooled7.6%±1.6 pts7.5%–
Public transportation0.2%±0.1 pts1.0%–
Walked2.7%±0.9 pts2.0%–
Worked from home7.8%±1.2 pts13.0%+4.1 pts
Mean travel time to work24.6 min±1.223.4 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).

Census tracts of Clinton County, ACS 2020-2024 5-year estimates; sort by any column
Tract 964339027964300Sabina (43%)3,7013,399±210$49,891$122,100$80822.7%
Tract 964439027964400Port William (6%)5,1845,458±488$107,671$342,200$1,1826.7%
Tract 9645.0139027964501Wilmington (49%)3,3583,016±340$67,067$229,700$1,53012.8%
Tract 9645.0239027964502Wilmington (66%)2,9832,818±344$77,674$199,200$1,09311.1%
Tract 964639027964600Wilmington2,8913,050±396$69,261$164,000$79911.6%
Tract 964739027964700Wilmington (62%)5,7626,066±432$49,009$164,500$78522.8%
Tract 964839027964800Clarksville (16%)4,8745,174±561$79,607$260,000$1,0699.5%
Tract 964939027964900Blanchester (68%)5,0655,083±192$58,165$200,200$91914.0%
Tract 965039027965000Martinsville (8%)3,9293,771±419$79,077$219,700$85811.0%
Tract 965139027965100New Vienna (21%)4,2714,177±373$80,192$209,400$9297.2%

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?

Clinton County's rank among Ohio's counties with a reliable estimate (1 = highest)
MeasureRank
Population59th of 88
Growth 2020-202529th of 88
Residents per square mile53rd of 88
Median household income38th of 88
Median home value25th of 88
Median gross rent32nd of 88
Poverty rate43rd of 88
Bachelor's degree or higher51st of 88
Median age56th of 88

Every county in Ohio

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.