Clarke County, Iowa
Located in Iowa, Clarke County has a population of 9,662 residents and a median age of 37.9 years, making it the #2,514 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.7%. The median home value is $161,100, and the median household income is $71,641, which is 5% below the national median.
Demographics
Clarke County has a population of 9,662, making it the #2,514 most populous county in the US. The median age is 37.9 years, which is 2.6% below 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 Clarke County is $71,641, ranking #1,075 out of 3,222 counties — 4.7% below the national median. The poverty rate is 9.7% and unemployment stands at 4.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clarke County is $161,100 (-42.9% vs national). Renters pay a median of $931/mo and the homeownership rate is 72.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Clarke County, 16.0% of adults age 25+ hold a bachelor's degree or higher, which is 52.6% below the national average, ranking #2,674 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clarke County is 75.4 years. 20.4% of adults report poor or fair health and 6.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.6% of adults in Clarke County smoke , 42.5% are obese , and 22.3% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 39.5 per 100,000. Motor vehicle deaths occur at a rate of 27.1 per 100,000.
Suicide Rate Trend
Families & Children
15.3% of children in Clarke County live in poverty . The teen birth rate is 18.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Clarke County is 69.8%. The mean commute time is 27.1 min, which is 1.7% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Clarke County voted Republican with a margin of 42.0%. The vote was 28.4% Dem / 70.4% Rep. Compared to 2020, the margin shifted 6.1 toward Republicans .
Vote Share Over Time
About Clarke County, Iowa
Clarke County, Iowa has a total population of 9,662, making it the 2,514th most populous county in the United States. The median age in Clarke County is 37.9 years, which is 2.6% below the national median of 38.9 years.
The median household income in Clarke County is $71,641, which ranks #1,075 of 3,222 counties nationwide. This is 4.7% below the national median of $75,149. The poverty rate is 9.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.2%.
The median home value in Clarke County is $161,100, 42.9% below the national median. Renters in Clarke County pay a median gross rent of $931 per month. The homeownership rate is 72.3%, compared to the national rate of 64.4%.
In Clarke County, 16.0% of residents aged 25 and older hold a bachelor's degree or higher, 52.6% below the national average of 33.7%. Health insurance coverage stands at 95.1% of the population. The average commute time for workers is 27.1 min.
Clarke County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 77.5% of the population, followed by Hispanic or Latino (16.8%) and Two or More Races (4.9%).
All data for Clarke County, Iowa 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.