Iowa County, Iowa
Located in Iowa, Iowa County has a population of 16,507 residents and a median age of 42.4 years, making it the #2,071 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.9%. The median home value is $193,900, and the median household income is $71,223, which is 5% below the national median.
Demographics
Iowa County has a population of 16,507, making it the #2,071 most populous county in the US. The median age is 42.4 years, which is 9.0% 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 Iowa County is $71,223, ranking #1,116 out of 3,222 counties — 5.2% below the national median. The poverty rate is 8.9% and unemployment stands at 1.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Iowa County is $193,900 (-31.2% vs national). Renters pay a median of $686/mo and the homeownership rate is 76.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Iowa County, 24.8% of adults age 25+ hold a bachelor's degree or higher, which is 26.3% below the national average, ranking #1,258 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Iowa County is 78.1 years. 13.8% of adults report poor or fair health and 4.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.4% of adults in Iowa County smoke , 35.7% are obese , and 25.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 14.8 per 100,000. Motor vehicle deaths occur at a rate of 21.9 per 100,000.
Suicide Rate Trend
Families & Children
8.2% of children in Iowa County live in poverty . The teen birth rate is 5.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Iowa County is 78.7%. The mean commute time is 24.5 min, which is 11.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Iowa County voted Republican with a margin of 27.7%. The vote was 35.4% Dem / 63.1% Rep. Compared to 2020, the margin shifted 2.4 toward Republicans .
Vote Share Over Time
About Iowa County, Iowa
Iowa County, Iowa has a total population of 16,507, making it the 2,071st most populous county in the United States. The median age in Iowa County is 42.4 years, which is 9.0% above the national median of 38.9 years.
The median household income in Iowa County is $71,223, which ranks #1,116 of 3,222 counties nationwide. This is 5.2% below the national median of $75,149. The poverty rate is 8.9%, lower than the national rate of 12.6%. The unemployment rate stands at 1.9%.
The median home value in Iowa County is $193,900, 31.2% below the national median. Renters in Iowa County pay a median gross rent of $686 per month. The homeownership rate is 76.6%, compared to the national rate of 64.4%.
In Iowa County, 24.8% of residents aged 25 and older hold a bachelor's degree or higher, 26.3% below the national average of 33.7%. Health insurance coverage stands at 96.8% of the population. The average commute time for workers is 24.5 min.
Iowa County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.5% of the population, followed by Hispanic or Latino (3.4%) and Two or More Races (2.7%).
All data for Iowa 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.