Clinton County, Ohio
Located in Ohio, Clinton County has a population of 42,012 residents and a median age of 40.8 years, making it the #1,169 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.9%. The median home value is $211,900, and the median household income is $70,407, which is 6% below the national median.
Demographics
Clinton County has a population of 42,012, making it the #1,169 most populous county in the US. The median age is 40.8 years, which is 4.9% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Clinton County is $70,407, ranking #1,169 out of 3,222 counties — 6.3% below the national median. The poverty rate is 12.9% and unemployment stands at 4.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clinton County is $211,900 (-24.8% vs national). Renters pay a median of $910/mo and the homeownership rate is 71.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Clinton County, 19.3% of adults age 25+ hold a bachelor's degree or higher, which is 42.6% below the national average, ranking #2,123 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clinton County is 73.0 years. 20.4% of adults report poor or fair health and 5.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
22.6% of adults in Clinton County smoke , 41.6% are obese , and 19.6% report excessive drinking. The drug overdose death rate is 52.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 16.5 per 100,000. Motor vehicle deaths occur at a rate of 16.0 per 100,000.
Suicide Rate Trend
Families & Children
15.9% of children in Clinton County live in poverty and the infant mortality rate is 8.0 per 1,000 live births. The teen birth rate is 21.5 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Clinton County is 64.4%. The mean commute time is 27.7 min, which is 0.2% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Clinton County voted Republican with a margin of 54.6%. The vote was 22.3% Dem / 76.9% Rep. Compared to 2020, the margin shifted 2.0 toward Republicans .
Vote Share Over Time
About Clinton County, Ohio
Clinton County, Ohio has a total population of 42,012, making it the 1,169th most populous county in the United States. The median age in Clinton County is 40.8 years, which is 4.9% above the national median of 38.9 years.
The median household income in Clinton County is $70,407, which ranks #1,169 of 3,222 counties nationwide. This is 6.3% below the national median of $75,149. The poverty rate is 12.9%, higher than the national rate of 12.6%. The unemployment rate stands at 4.5%.
The median home value in Clinton County is $211,900, 24.8% below the national median. Renters in Clinton County pay a median gross rent of $910 per month. The homeownership rate is 71.8%, compared to the national rate of 64.4%.
In Clinton County, 19.3% of residents aged 25 and older hold a bachelor's degree or higher, 42.6% below the national average of 33.7%. Health insurance coverage stands at 94.0% of the population. The average commute time for workers is 27.7 min.
Clinton County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.7% of the population, followed by Two or More Races (3.6%) and Hispanic or Latino (2.3%).
All data for Clinton County, Ohio comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.