Marion County, Indiana

Marion County, Indiana, had an estimated population of 992,196 in 2025 across 1,026 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
992,196
2025 estimate
Area
1,026 km²
Density
967
per km²
Median income
$66,346
household, ACS 2024
Median age
34.4
years, ACS 2024
How Indiana's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202491.8%
Median Gross Rent2024$1,153
Median Home Value2024$224,000
Owner-Occupied Homes202456.5%
Vacant Homes20249.2%
Demography
IndicatorValue
Aged 65 and Over202413.2%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20244.0%
Average Household Size2024people2.4
Black, non-Hispanic202427.1%
Foreign-Born202412.6%
Hispanic or Latino202413.8%
Median Age2024years34.4
Sex Ratio2024per 1,000 males1,065
Speak a Language Other Than English202418.2%
Under 18202425.0%
Veterans20245.5%
White, non-Hispanic202449.5%
Economy
IndicatorValue
Below Poverty Line202415.3%
Households on SNAP202412.5%
Income Inequality2024index0.465
Median Household Income2024$66,346
Per Capita Income2024$37,704
Unemployment Rate20245.0%
Education
IndicatorValue
Bachelor's Degree or Higher202434.8%
High School or Higher202488.1%
Health Coverage
IndicatorValue
No Health Insurance20248.8%
With a Disability202413.9%
Population & Density
IndicatorValue
Population2025992,196
Population Density2025/km²967
Work & Commute
IndicatorValue
Commute by Public Transit20241.3%
Households with No Vehicle20248.3%
Mean Commute Time2024minutes24.5
Work from Home202413.9%
Compare Marion 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.