Lake County, Indiana

Lake County, Indiana, had an estimated population of 504,612 in 2025 across 1,292 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
504,612
2025 estimate
Area
1,292 km²
Density
391
per km²
Median income
$71,493
household, ACS 2024
Median age
39.7
years, ACS 2024
How Indiana's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202489.7%
Median Gross Rent2024$1,131
Median Home Value2024$230,600
Owner-Occupied Homes202471.7%
Vacant Homes202410.3%
Demography
IndicatorValue
Aged 65 and Over202417.9%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20241.6%
Average Household Size2024people2.5
Black, non-Hispanic202422.7%
Foreign-Born20247.3%
Hispanic or Latino202420.9%
Median Age2024years39.7
Sex Ratio2024per 1,000 males1,055
Speak a Language Other Than English202415.1%
Under 18202423.2%
Veterans20245.8%
White, non-Hispanic202451.4%
Economy
IndicatorValue
Below Poverty Line202414.3%
Households on SNAP202412.9%
Income Inequality2024index0.456
Median Household Income2024$71,493
Per Capita Income2024$37,284
Unemployment Rate20246.1%
Education
IndicatorValue
Bachelor's Degree or Higher202425.8%
High School or Higher202490.2%
Health Coverage
IndicatorValue
No Health Insurance20246.6%
With a Disability202413.6%
Population & Density
IndicatorValue
Population2025504,612
Population Density2025/km²391
Work & Commute
IndicatorValue
Commute by Public Transit20241.4%
Households with No Vehicle20247.2%
Mean Commute Time2024minutes28.5
Work from Home20248.2%
Compare Lake 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.