Hamilton County, Ohio

Hamilton County, Ohio, had an estimated population of 838,418 in 2025 across 1,050 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 Ohio's counties and nationally.

Population
838,418
2025 estimate
Area
1,050 km²
Density
798
per km²
Median income
$72,470
household, ACS 2024
Median age
36.9
years, ACS 2024
How Ohio's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202491.3%
Median Gross Rent2024$1,075
Median Home Value2024$241,900
Owner-Occupied Homes202459.3%
Vacant Homes20247.0%
Demography
IndicatorValue
Aged 65 and Over202416.6%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20242.7%
Average Household Size2024people2.3
Black, non-Hispanic202423.9%
Foreign-Born20246.3%
Hispanic or Latino20244.8%
Median Age2024years36.9
Sex Ratio2024per 1,000 males1,058
Speak a Language Other Than English20248.1%
Under 18202423.0%
Veterans20245.5%
White, non-Hispanic202462.3%
Economy
IndicatorValue
Below Poverty Line202415.0%
Households on SNAP202412.2%
Income Inequality2024index0.508
Median Household Income2024$72,470
Per Capita Income2024$45,936
Unemployment Rate20245.0%
Education
IndicatorValue
Bachelor's Degree or Higher202441.8%
High School or Higher202492.7%
Health Coverage
IndicatorValue
No Health Insurance20245.8%
With a Disability202413.1%
Population & Density
IndicatorValue
Population2025838,418
Population Density2025/km²798
Work & Commute
IndicatorValue
Commute by Public Transit20242.5%
Households with No Vehicle202410.3%
Mean Commute Time2024minutes22.8
Work from Home202415.3%
Compare Hamilton 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.