Decatur County, Indiana
Located in Indiana, Decatur County has a population of 26,422 residents and a median age of 39.8 years, making it the #1,598 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.2%. The median home value is $199,100, and the median household income is $69,783, which is 7% below the national median.
Demographics
Decatur County has a population of 26,422, making it the #1,598 most populous county in the US. The median age is 39.8 years, which is 2.3% 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 Decatur County is $69,783, ranking #1,210 out of 3,222 counties — 7.1% below the national median. The poverty rate is 10.2% and unemployment stands at 2.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Decatur County is $199,100 (-29.4% vs national). Renters pay a median of $861/mo and the homeownership rate is 76.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Decatur County, 20.0% of adults age 25+ hold a bachelor's degree or higher, which is 40.8% below the national average, ranking #2,006 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Decatur County is 74.0 years. 16.5% of adults report poor or fair health and 6.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Decatur County smoke , 41.6% are obese , and 19.3% report excessive drinking. The drug overdose death rate is 37.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Decatur County is 5.4 per 100,000 and the suicide rate is 12.3 per 100,000. Motor vehicle deaths occur at a rate of 18.3 per 100,000.
Suicide Rate Trend
Families & Children
12.3% of children in Decatur County live in poverty . The teen birth rate is 23.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Decatur County is 61.8%. The mean commute time is 25.5 min, which is 7.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Decatur County voted Republican with a margin of 58.5%. The vote was 19.9% Dem / 78.4% Rep. Compared to 2020, the margin shifted 0.5 toward Republicans .
Vote Share Over Time
About Decatur County, Indiana
Decatur County, Indiana has a total population of 26,422, making it the 1,598th most populous county in the United States. The median age in Decatur County is 39.8 years, which is 2.3% above the national median of 38.9 years.
The median household income in Decatur County is $69,783, which ranks #1,210 of 3,222 counties nationwide. This is 7.1% below the national median of $75,149. The poverty rate is 10.2%, lower than the national rate of 12.6%. The unemployment rate stands at 2.6%.
The median home value in Decatur County is $199,100, 29.4% below the national median. Renters in Decatur County pay a median gross rent of $861 per month. The homeownership rate is 76.1%, compared to the national rate of 64.4%.
In Decatur County, 20.0% of residents aged 25 and older hold a bachelor's degree or higher, 40.8% below the national average of 33.7%. Health insurance coverage stands at 96.1% of the population. The average commute time for workers is 25.5 min.
Decatur County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.1% of the population, followed by Two or More Races (3.4%) and Hispanic or Latino (2.5%).
All data for Decatur County, Indiana 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.