Clinton County, Ohio Demographics 2026
Clinton County, Ohio has a population of 42,012, the 59th most populous county in Ohio. The median household income is $70,407 and the median home value is $211,900. The poverty rate is 12.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Clinton County Quick Facts
How Clinton County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 42,014 | 42,012 | -0.0% |
| Median household income | $68,125 | $70,407 | +3.3% |
| Median home value | $192,800 | $211,900 | +9.9% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Clinton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Wilmington | 12,620 | $57,199 | 17.5% | $174,400 |
| Sabina | 2,734 | $48,750 | 22.7% | $95,900 |
| New Vienna | 1,214 | $60,962 | 8.8% | $137,800 |
| Clarksville | 573 | $63,611 | 22.9% | $158,800 |
| Martinsville | 352 | $44,732 | 17.7% | $109,800 |
| Midland | 337 | $55,000 | 19.0% | $121,100 |
| Port William | 175 | $48,750 | 28.0% | $96,700 |
Explore Ohio Rankings
Population Overview
Clinton County is located in Ohio with a total population of 42,012. It is the 59th most populous county out of 88 in Ohio. The county encompasses 7 Census-designated places.
Age Demographics
The median age in Clinton County is 40.8 years. This is 3% higher than the state median of 39.7 years.
Economy, Income & Housing
The median household income in Clinton County is $70,407. This is 1% lower than the state median of $71,389. It is also 13% lower than the national median of $80,734. The poverty rate stands at 12.9%. This is 3% lower than the state poverty rate of 13.3%. The unemployment rate is 4.5%. This is 4% lower than the state rate of 4.8%. The median home value is $211,900. Housing costs are 1% lower than the state median of $214,800. The home-value-to-income ratio is 3.0x. 71.8% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 67.2%.
Race & Ethnicity
Clinton County has a predominantly White (non-Hispanic) population, comprising 91.7% of all residents. Hispanic or Latino residents account for 2.3%. The Black or African American population (1.8%) is well below the state average of 12.0%. The Hispanic or Latino population (2.3%) is well below the state average of 4.8%. The Asian population (0.3%) is well below the state average of 2.5%.
Education
19.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.4%.
Data Sources & Methodology
All figures for Clinton County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Ohio and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Clinton County, Ohio?
Clinton County has a population of 42,012, making it the 59th most populous county in Ohio.
What is the median income in Clinton County?
The median household income in Clinton County is $70,407 with a poverty rate of 12.9%.
How many cities are in Clinton County, Ohio?
Clinton County contains 7 Census-designated places.