Clinton County, Missouri
Located in Missouri, Clinton County has a population of 21,414 residents and a median age of 42.0 years, making it the #1,798 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.3%. The median home value is $226,800, and the median household income is $70,627, which is 6% below the national median.
Demographics
Clinton County has a population of 21,414, making it the #1,798 most populous county in the US. The median age is 42.0 years, which is 8.0% 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 $70,627, ranking #1,151 out of 3,222 counties — 6.0% below the national median. The poverty rate is 12.3% and unemployment stands at 3.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clinton County is $226,800 (-19.5% vs national). Renters pay a median of $1,008/mo and the homeownership rate is 75.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Clinton County, 22.1% of adults age 25+ hold a bachelor's degree or higher, which is 34.3% below the national average, ranking #1,630 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clinton County is 75.5 years. 18.0% of adults report poor or fair health and 9.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.0% of adults in Clinton County smoke , 38.2% are obese , and 22.6% report excessive drinking. The drug overdose death rate is 22.2 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 11.8 per 100,000. Motor vehicle deaths occur at a rate of 11.0 per 100,000.
Suicide Rate Trend
Families & Children
10.9% of children in Clinton County live in poverty . The teen birth rate is 19.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Clinton County is 69.8%. The mean commute time is 30.5 min, which is 10.6% 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 47.9%. The vote was 25.4% Dem / 73.3% Rep. Compared to 2020, the margin shifted 2.9 toward Republicans .
Vote Share Over Time
About Clinton County, Missouri
Clinton County, Missouri has a total population of 21,414, making it the 1,798th most populous county in the United States. The median age in Clinton County is 42.0 years, which is 8.0% above the national median of 38.9 years.
The median household income in Clinton County is $70,627, which ranks #1,151 of 3,222 counties nationwide. This is 6.0% below the national median of $75,149. The poverty rate is 12.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.0%.
The median home value in Clinton County is $226,800, 19.5% below the national median. Renters in Clinton County pay a median gross rent of $1,008 per month. The homeownership rate is 75.7%, compared to the national rate of 64.4%.
In Clinton County, 22.1% of residents aged 25 and older hold a bachelor's degree or higher, 34.3% below the national average of 33.7%. Health insurance coverage stands at 91.2% of the population. The average commute time for workers is 30.5 min.
Clinton County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.9% of the population, followed by Two or More Races (4.2%) and Hispanic or Latino (2.6%).
All data for Clinton County, Missouri 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.