County · Delaware · United States
Sussex County ZIP codes
22 ZIP codes · 22 cities · FIPS 10005
Key facts
- State
- Delaware (DE)
- FIPS code
- 10005
- Population
- 247,799
- Median household income
- $78,162
- Median age
- 51.4
- Land area
- 936.2 sq mi (2,424.6 km²)
- Population density
- 265 / sq mi
- Area codes
- 302
Cities and ZIP codes in Sussex County (22)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.