Clinton County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 59th-largest in Ohio
The population of Clinton County, Ohio is 42,014 as of the 2023 American Community Survey, making it the 59th-largest county in Ohio. The median household income is $68,125, the median home value is $192,800, and the median age is 41.0.
The population of Clinton County has grown 0.2% since 2010 (41,922 → 42,019), a +0.02% annualized rate.
42,014
Population
+0.02%
Annual growth
103
People / sq mi
$68,125
Median Income
$192,800
Median Home Value
Clinton County covers 409 sq mi of land at 102.8 people per square mile.
About Clinton County, OH
Clinton County is a county in Ohio with a population of 42,014. It ranks #59 among counties in Ohio by population. The median age is 41.0, older than the national median. The population is 49.6% male and 50.4% female.
The median household income in Clinton County is $68,125, below the US median of $74,580. 11.3% of residents live below the federal poverty level. Home values sit at a median of $192,800, with monthly rent averaging $893. The homeownership rate of 70.5% is higher than the national rate of 64.8%.
Educational attainment in Clinton County reflects 20.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.3 minutes each way.
Clinton County Population History (2010-2024)
The county of Clinton County had a population of 41,922 in 2010 and 42,019 in 2024, a 0.2% growth over 14 years. The peak was 42,130 in 2021. Average annual growth rate: 0.02%.
42,019
Population (2024)
41,922
Population (2010)
42,130
Peak (2021)
0.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 41,922 |
| 2011 | 41,919 |
| 2012 | 41,829 |
| 2013 | 41,879 |
| 2014 | 41,824 |
| 2015 | 41,864 |
| 2016 | 41,923 |
| 2017 | 42,035 |
| 2018 | 42,119 |
| 2019 | 42,002 |
| 2020 | 42,035 |
| 2021 | 42,130 |
| 2022 | 41,902 |
| 2023 | 41,972 |
| 2024 | 42,019 |
Race & Ethnicity
| White | 92.6% |
| Black or African American | 1.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Age & Sex
41.0
Median Age
50.4%
Female
49.6%
Male
18.1%
Age 65+
Age Distribution
Children (under 15): 18.8% · Seniors (65+): 18.1%
Income & Poverty
| Median household income | $68,125$-1,555 vs state |
| Mean household income | $84,570 |
| Per-capita income | $34,046 |
| Poverty rate | 11.3%+2.1% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 59.3% |
Top Industries by Employment
The largest employment sector in Clinton County is professional & business services, accounting for 21.9% of workers.
How residents commute
0.3%
Drive alone
2.7%
Carpool
81.2%
Public transit
7.5%
Work from home
25.3 min
Avg commute
Housing
$192,800$-6,400 vs state
Median home value
$893
Median rent
70.5%
Homeownership rate
17,966
Total housing units
92.0%
Occupied
8.0%
Vacant
29.5%
Renter-occupied
Social & access
93.8%
With health insurance
92.9%
With broadband internet
16.6%
Foreign-born
9.8%
Veterans (18+)
16.5%
With a disability
97.5%
Speak language other than English at home
Education
91.6%
High School+
20.1%
Bachelor's+
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Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Clinton County, Ohio has a population of 42,014 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 59th-largest county in Ohio. Population density is 103 people per square mile.
The population of Clinton County has grown 0.2% since 2010 (41,922 → 42,019), a +0.02% annualized rate.
The median household income in Clinton County, Ohio is $68,125, with mean (average) household income of $84,570 and per-capita income of $34,046. 11.3% of residents live below the federal poverty level.
In Clinton County, the largest racial and ethnic groups are White (92.6%), Black or African American (1.9%), Hispanic or Latino (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clinton County, Ohio is 41.0 years. Residents are 50.4% female and 49.6% male.
The median home value in Clinton County is $192,800 and median monthly rent is $893. 70.5% of occupied housing units are owner-occupied. The county has 17,966 total housing units, 8.0% of which are vacant.
The largest employment sector in Clinton County, Ohio is professional, scientific, and management services, employing 21.9% of workers. The unemployment rate is 2.9%.
Columbus is among the largest cities associated with Clinton County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.