Johnson County, Indiana

Johnson County, Indiana, had an estimated population of 174,262 in 2025 across 830 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
174,262
2025 estimate
Area
830 km²
Density
210
per km²
Median income
$90,454
household, ACS 2024
Median age
38
years, ACS 2024
How Indiana's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202493.0%
Median Gross Rent2024$1,271
Median Home Value2024$284,600
Owner-Occupied Homes202472.7%
Vacant Homes20245.1%
Demography
IndicatorValue
Aged 65 and Over202415.7%
American Indian & Alaska Native20240.0%
Asian, non-Hispanic20245.1%
Average Household Size2024people2.6
Black, non-Hispanic20243.2%
Foreign-Born20245.7%
Hispanic or Latino20244.3%
Median Age2024years38
Sex Ratio2024per 1,000 males1,015
Speak a Language Other Than English20248.3%
Under 18202424.3%
Veterans20246.2%
White, non-Hispanic202483.9%
Economy
IndicatorValue
Below Poverty Line20247.4%
Households on SNAP20246.5%
Income Inequality2024index0.425
Median Household Income2024$90,454
Per Capita Income2024$43,995
Unemployment Rate20243.0%
Education
IndicatorValue
Bachelor's Degree or Higher202434.7%
High School or Higher202492.3%
Health Coverage
IndicatorValue
No Health Insurance20244.7%
With a Disability202412.1%
Population & Density
IndicatorValue
Population2025174,262
Population Density2025/km²210
Work & Commute
IndicatorValue
Commute by Public Transit20240.2%
Households with No Vehicle20243.3%
Mean Commute Time2024minutes26.4
Work from Home202414.2%
Compare Johnson 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.