Sussex County, Delaware
Sussex County, Delaware, had an estimated population of 277,140 in 2025 across 2,425 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 Delaware's counties and nationally.
- Population
- 277,140
- 2025 estimate
- Area
- 2,425 km²
- Density
- 114
- per km²
- Median income
- $81,497
- household, ACS 2024
- Median age
- 51.9
- years, ACS 2024
How Delaware's counties spread
Amenities & Infrastructure
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Households with Broadband2024 | 91.5% | 2 / 3 | 516 / 3,144 |
| Median Gross Rent2024 | $1,238 | 3 / 3 | 491 / 3,137 |
| Median Home Value2024 | $382,600 | 1 / 3 | 333 / 3,139 |
| Owner-Occupied Homes2024 | 81.6% | 1 / 3 | 400 / 3,144 |
| Vacant Homes2024 | 29.9% | 1 / 3 | 297 / 3,144 |
Demography
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 30.2% | 1 / 3 | 125 / 3,144 |
| American Indian & Alaska Native2024 | 0.2% | 2 / 3 | 1,145 / 3,144 |
| Asian, non-Hispanic2024 | 1.3% | 3 / 3 | 806 / 3,144 |
| Average Household Size2024people | 2.4 | 3 / 3 | 1,848 / 3,144 |
| Black, non-Hispanic2024 | 9.8% | 3 / 3 | 764 / 3,144 |
| Foreign-Born2024 | 8.4% | 2 / 3 | 525 / 3,144 |
| Hispanic or Latino2024 | 11.5% | 2 / 3 | 765 / 3,144 |
| Median Age2024years | 51.9 | 1 / 3 | 140 / 3,144 |
| Sex Ratio2024per 1,000 males | 1,061 | 2 / 3 | 369 / 3,144 |
| Speak a Language Other Than English2024 | 13.0% | 2 / 3 | 693 / 3,144 |
| Under 182024 | 18.1% | 3 / 3 | 2,711 / 3,144 |
| Veterans2024 | 8.5% | 2 / 3 | 811 / 3,144 |
| White, non-Hispanic2024 | 72.3% | 1 / 3 | 1,968 / 3,144 |
Economy
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 10.9% | 1 / 3 | 2,152 / 3,144 |
| Households on SNAP2024 | 10.6% | 2 / 3 | 1,786 / 3,144 |
| Income Inequality2024index | 0.457 | 1 / 3 | 1,169 / 3,144 |
| Median Household Income2024 | $81,497 | 2 / 3 | 524 / 3,143 |
| Per Capita Income2024 | $46,684 | 2 / 3 | 323 / 3,144 |
| Unemployment Rate2024 | 5.3% | 2 / 3 | 952 / 3,144 |
Education
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 33.0% | 2 / 3 | 564 / 3,144 |
| High School or Higher2024 | 90.2% | 3 / 3 | 1,575 / 3,144 |
Health Coverage
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| No Health Insurance2024 | 7.0% | 1 / 3 | 1,805 / 3,144 |
| With a Disability2024 | 14.9% | 2 / 3 | 1,892 / 3,144 |
Population & Density
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Population2025 | 277,140 | 2 / 3 | 268 / 3,144 |
| Population Density2025/km² | 114 | 3 / 3 | 444 / 3,144 |
Work & Commute
| Indicator | Value | In Delaware | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 0.5% | 3 / 3 | 782 / 3,144 |
| Households with No Vehicle2024 | 3.3% | 3 / 3 | 2,625 / 3,144 |
| Mean Commute Time2024minutes | 27.3 | 1 / 3 | 878 / 3,143 |
| Work from Home2024 | 13.4% | 2 / 3 | 586 / 3,144 |
Other counties of Delaware
Compare Sussex 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.