Decatur County, Indiana

Decatur County, Indiana, had an estimated population of 26,576 in 2025 across 965 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Indiana's counties and nationally.

Population
26,576
2025 estimate
Area
965 km²
Density
28
per km²
Median income
$69,783
household, ACS 2024
Median age
39.8
years, ACS 2024
How Indiana's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202488.0%
Median Gross Rent2024$861
Median Home Value2024$199,100
Owner-Occupied Homes202476.1%
Vacant Homes20248.3%
Demography
IndicatorValue
Aged 65 and Over202418.2%
American Indian & Alaska Native20240.0%
Asian, non-Hispanic20240.1%
Average Household Size2024people2.4
Black, non-Hispanic20240.4%
Foreign-Born20241.1%
Hispanic or Latino20242.5%
Median Age2024years39.8
Sex Ratio2024per 1,000 males996
Speak a Language Other Than English20242.7%
Under 18202423.5%
Veterans20246.9%
White, non-Hispanic202493.1%
Economy
IndicatorValue
Below Poverty Line202410.2%
Households on SNAP20245.6%
Income Inequality2024index0.435
Median Household Income2024$69,783
Per Capita Income2024$37,115
Unemployment Rate20242.7%
Education
IndicatorValue
Bachelor's Degree or Higher202420.0%
High School or Higher202490.8%
Health Coverage
IndicatorValue
No Health Insurance20243.9%
With a Disability202412.5%
Population & Density
IndicatorValue
Population202526,576
Population Density2025/km²28
Work & Commute
IndicatorValue
Commute by Public Transit20240.0%
Households with No Vehicle20243.2%
Mean Commute Time2024minutes24
Work from Home202410.9%
Compare Decatur County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.