Sussex County, Delaware
Sussex County is a county in Delaware. Its county FIPS code is 10005. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 10005
- Representative coordinates
- 38.673227, -75.337024
- County type
- County
- County seat or government
- Georgetown
- Resident population, July 2025
- 277,140
- Land area
- 2,424.606 km²
- Water area
- 674.113 km²
- State
- Delaware
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Sussex County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
19930 · 19931 · 19933 · 19939 · 19940 · 19941 · 19944 · 19945 · 19947 · 19950 · 19951 · 19952 · 19956 · 19958 · 19960 · 19963 · 19966 · 19967 · 19968 · 19970 · 19971 · 19973 · 19975 · 21874
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Bethany Beach town, DE
- Bethel town, DE
- Blades town, DE
- Bridgeville town, DE
- Dagsboro town, DE
- Delmar town, DE
- Dewey Beach town, DE
- Ellendale town, DE
- Fenwick Island town, DE
- Frankford town, DE
- Georgetown town, DE
- Greenwood town, DE
- Henlopen Acres town, DE
- Laurel town, DE
- Lewes city, DE
- Lincoln CDP, DE
- Long Neck CDP, DE
- Milford city, DE
- Millsboro town, DE
- Millville town, DE
- Milton town, DE
- Ocean View town, DE
- Rehoboth Beach city, DE
- Seaford city, DE
- Selbyville town, DE
- Slaughter Beach town, DE
- South Bethany town, DE
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.