Delaware County, Ohio

Delaware County, Ohio, had an estimated population of 242,032 in 2025 across 1,148 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
242,032
2025 estimate
Area
1,148 km²
Density
211
per km²
Median income
$133,540
household, ACS 2024
Median age
40.1
years, ACS 2024
How Ohio's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202496.0%
Median Gross Rent2024$1,492
Median Home Value2024$445,500
Owner-Occupied Homes202478.5%
Vacant Homes20244.6%
Demography
IndicatorValue
Aged 65 and Over202415.1%
American Indian & Alaska Native20240.0%
Asian, non-Hispanic20248.6%
Average Household Size2024people2.7
Black, non-Hispanic20244.3%
Foreign-Born20249.7%
Hispanic or Latino20243.5%
Median Age2024years40.1
Sex Ratio2024per 1,000 males999
Speak a Language Other Than English202411.3%
Under 18202424.8%
Veterans20245.9%
White, non-Hispanic202479.2%
Economy
IndicatorValue
Below Poverty Line20244.7%
Households on SNAP20243.6%
Income Inequality2024index0.419
Median Household Income2024$133,540
Per Capita Income2024$61,395
Unemployment Rate20243.0%
Education
IndicatorValue
Bachelor's Degree or Higher202459.4%
High School or Higher202497.1%
Health Coverage
IndicatorValue
No Health Insurance20244.7%
With a Disability20248.4%
Population & Density
IndicatorValue
Population2025242,032
Population Density2025/km²211
Work & Commute
IndicatorValue
Commute by Public Transit20240.1%
Households with No Vehicle20243.2%
Mean Commute Time2024minutes25.4
Work from Home202425.9%
Compare Delaware 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.