Greene County, Iowa
Located in Iowa, Greene County has a population of 8,688 residents and a median age of 44.6 years, making it the #2,592 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.8%. The median home value is $155,400, and the median household income is $63,409, which is 16% below the national median.
Demographics
Greene County has a population of 8,688, making it the #2,592 most populous county in the US. The median age is 44.6 years, which is 14.7% 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 Greene County is $63,409, ranking #1,758 out of 3,222 counties — 15.6% below the national median. The poverty rate is 9.8% and unemployment stands at 2.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Greene County is $155,400 (-44.9% vs national). Renters pay a median of $781/mo and the homeownership rate is 76.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Greene County, 21.2% of adults age 25+ hold a bachelor's degree or higher, which is 37.1% below the national average, ranking #1,788 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Greene County is 76.8 years. 15.9% of adults report poor or fair health and 5.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.5% of adults in Greene County smoke , 41.5% are obese , and 23.2% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 17.5 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
15.5% of children in Greene County live in poverty . The teen birth rate is 17.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Greene County is 73.8%. 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, Greene County voted Republican with a margin of 33.0%. The vote was 32.9% Dem / 65.9% Rep. Compared to 2020, the margin shifted 4.3 toward Republicans .
Vote Share Over Time
About Greene County, Iowa
Greene County, Iowa has a total population of 8,688, making it the 2,592nd most populous county in the United States. The median age in Greene County is 44.6 years, which is 14.7% above the national median of 38.9 years.
The median household income in Greene County is $63,409, which ranks #1,758 of 3,222 counties nationwide. This is 15.6% below the national median of $75,149. The poverty rate is 9.8%, lower than the national rate of 12.6%. The unemployment rate stands at 2.3%.
The median home value in Greene County is $155,400, 44.9% below the national median. Renters in Greene County pay a median gross rent of $781 per month. The homeownership rate is 76.4%, compared to the national rate of 64.4%.
In Greene County, 21.2% of residents aged 25 and older hold a bachelor's degree or higher, 37.1% below the national average of 33.7%. Health insurance coverage stands at 95.9% of the population. The average commute time for workers is 24.5 min.
Greene County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.3% of the population, followed by Hispanic or Latino (3.5%) and Two or More Races (3.1%).
All data for Greene 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.