• county
  • FIPS 39027
  • Largest town: Wilmington

Clinton County, Ohio

Clinton County had 42,019 residents in the Census Vintage 2024 estimate, on 408.7 square miles of land. It ranks 59th of 88 in Ohio by population and 64th by land area.

Population
42,019
#59 of 88 in Ohio · #1,154 in US
Area
408.7 sq mi
#64 of 88 in Ohio · #2,471 in US
Density
103 / sq mi
#53 of 88 in Ohio · #883 in US
Median household income
$67,813
#37 of 88 in Ohio · #1,141 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clinton County within Ohio. Pin: Columbus.

Measure from here

Tools and pages that start from Clinton County

Clinton County population, land area and income

Clinton County had 42,019 residents in the Census Vintage 2024 estimate, on 408.7 square miles of land. It ranks 59th of 88 in Ohio by population and 64th by land area. That works out to 102.8 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Ohio has 58,250 residents; Clinton County is somewhat smaller.

Its SAIPE 2023 median household income of $67,813 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

42,019

3144th1st

1154th of 3,144 (US)

Land area

409 sq mi

3144th1st

2471st of 3,144 (US)

Density

102.8 / sq mi

3144th1st

883rd of 3,144 (US)

Median household income

$67,813

3143rd1st

1141st of 3,143 (US)

Rank within Ohio (88)

Population

42,019

88th1st

59th of 88 (OH)

Land area

409 sq mi

88th1st

64th of 88 (OH)

Density

102.8 / sq mi

88th1st

53rd of 88 (OH)

Median household income

$67,813

88th1st

37th of 88 (OH)

How Clinton County's population changed since 2020

Clinton County lost 16 residents between the July 2020 and July 2024 estimates, a drop of 0.0%. That ranks 37th of 88 in Ohio for growth. The median Ohio county changed by -0.2%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Clinton County recorded 1,998 births and 2,399 deaths, a natural change of -401. Net international migration added +471 and net domestic migration, people moving to or from other US counties, came to -97. The largest single component was international migration, which added 471 people.

42.0k202042.1k202141.9k202242.0k202342.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,998
Deaths
2,399
Net international migration
+471
Net domestic migration
-97
Change, July 2023 to July 2024
+47

Where Clinton County is

The Census internal point of Clinton County is at 39.416700, -83.804600. It sits in UTM zone 17N. The map shades Ohio's 88 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clinton County outlined. Dots are towns of 1,000+ people with residents in it.

Shelby County: -0.4%Defiance County: +1.0%Darke County: -0.8%Seneca County: -0.6%Wood County: +0.6%Fayette County: -0.7%Clark County: -0.7%Hocking County: -2.2%Jackson County: +0.2%Miami County: +2.7%Richland County: -0.1%Union County: +13.7%Auglaize County: -1.2%Hancock County: +0.1%Morgan County: -1.6%Van Wert County: -0.1%Hardin County: -1.0%Paulding County: -0.3%Portage County: +1.2%Delaware County: +10.6%Harrison County: -3.1%Ross County: -1.3%Crawford County: -0.9%Clinton County: -0.0%Henry County: -0.5%Pike County: -0.0%Cuyahoga County: -1.7%Highland County: +1.0%Knox County: +1.7%Ottawa County: -1.5%Huron County: -0.6%Erie County: -2.2%Holmes County: +1.0%Lawrence County: -4.0%Marion County: -0.6%Fairfield County: +5.2%Putnam County: -0.6%Guernsey County: -0.5%Vinton County: -2.1%Gallia County: -1.2%Trumbull County: -0.7%Wayne County: -0.2%Perry County: +0.6%Ashland County: -0.1%Fulton County: -1.4%Brown County: +1.4%Lucas County: -1.1%Stark County: -0.1%Medina County: +1.1%Belmont County: -2.4%Williams County: -1.4%Mahoning County: -1.0%Noble County: +1.1%Greene County: +2.5%Preble County: -0.5%Allen County: -1.2%Athens County: +1.3%Jefferson County: -2.0%Adams County: +0.8%Monroe County: -2.3%Washington County: -2.2%Logan County: -0.1%Franklin County: +2.4%Warren County: +5.3%Wyandot County: -2.1%Licking County: +3.4%Hamilton County: +0.8%Clermont County: +2.6%Butler County: +2.2%Coshocton County: +1.1%Geauga County: -0.0%Sandusky County: -0.0%Ashtabula County: -0.6%Carroll County: -0.9%Tuscarawas County: -1.2%Morrow County: +2.7%Montgomery County: +0.1%Mercer County: +0.3%Lake County: -0.1%Pickaway County: +6.0%Madison County: +3.8%Muskingum County: +0.1%Meigs County: -3.0%Columbiana County: -1.8%Lorain County: +2.7%Scioto County: -2.8%Champaign County: +0.4%Summit County: -0.3%
Change 2020 to 2024
  1. < -1.4%
  2. < -0.6%
  3. < -0.0%
  4. < +1.1%
  5. ≥ +1.1%
no data

Orange pin: Clinton County internal point. Dark pin: Columbus.

Internal point

Decimal
39.416700, -83.804600
DMS
39°25'0.12"N 83°48'16.56"W
UTM
17N 258556.8E 4366773.7N
Geohash
dph2hzx6g
Plus code
86FRC58W+M5

Towns in Clinton County

5 incorporated places of 1,000+ people have residents in Clinton County, 20,430 people together, or 49% of the county. Each figure counts only the part of the town inside Clinton County; towns marked "part" extend into another county. The largest is Wilmington with 12,639.

  1. 01Wilmington12,639
  2. 02Blanchester4,226
  3. 03Sabina2,465
  4. 04New Vienna1,097
  5. 05Lynchburg (part)3
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clinton County

The Census 2024 county adjacency file lists 6 neighbors for Clinton County. The most populous is Warren County, OH, with 256,059 residents. Distances run between Census internal points in a straight line.

Distance to Columbus and the nearest big city

Columbus is 57.0 miles NE of Clinton County's internal point in a straight line. The nearest place of 100,000 or more is Dayton, OH (population 136,346), 33.0 miles away. The nearest place of 10,000 or more is Wilmington, OH (population 12,639), 1.1 miles away.

Clinton County FIPS code

The FIPS code of Clinton County is 39027: state code 39 for Ohio plus county code 027. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,813.

Questions people ask

What is the population of Clinton County, Ohio?

The Census Vintage 2024 estimate for July 1, 2024 is 42,019. That is down 16 people (0.0%) from the July 2020 estimate of 42,035.

What is the FIPS code of Clinton County?

39027. The first two digits (39) are Ohio; the last three (027) identify the county.

What is the largest town in Clinton County?

Wilmington, with 12,639 residents inside Clinton County in 2024.

Which counties border Clinton County?

6 county-equivalents border it in the Census 2024 adjacency file: Warren County, OH; Clermont County, OH; Greene County, OH; Brown County, OH; Highland County, OH; Fayette County, OH.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.