Sussex County, Delaware
Sussex County, Delaware, has 277,140 residents (July 2025 estimate). Its county seat is Georgetown. It uses Eastern Time and covers 936 sq mi (2,425 km²) of land.
- Resident population, July 2025
- 277,140
- Land area
- 936 sq mi (2,425 km²)
- County seat or government
- Georgetown
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $81,497 ± $1,512
- Median home value
- $382,600 ± $6,986
- Median rent, with utilities
- $1,238 ± $42
- Homes lived in by their owners
- 81.6% ± 0.9 points
- County type
- County
- Metro or micro area
- Seaford, DE micro areaCentral county
- Water area
- 260 sq mi (674 km²)
- State
- Delaware
- County code (FIPS)
- 10005
- Coordinates (central point)
- 38.673227, -75.337024
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Sussex County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 1996635,884 people
- 1995831,938 people
- 1997326,834 people
- 1996323,500 people
- 1994720,760 people
- 1995616,327 people
- 1996815,486 people
- 1997114,886 people
- 1995210,908 people
- 1997510,862 people
- 1993310,597 people
- 199459,640 people
All 24
24 ZIP Code areas overlap Sussex County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Sussex County, largest first
- Indian River School District98,441 people
- Cape Henlopen School District67,959 people
- Milford School District34,585 people
- Seaford School District26,240 people
- Laurel School District17,352 people
- Woodbridge School District17,172 people
- Delmar School District8,062 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Tribal areas in Sussex County, largest first
American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Milford, Delaware (city)12,803 people
- Seaford, Delaware (city)8,485 people
- Georgetown, Delaware (town)7,660 people
- Millsboro, Delaware (town)7,424 people
- Laurel, Delaware (town)4,152 people
- Milton, Delaware (town)3,567 people
- Lewes, Delaware (city)3,505 people
- Selbyville, Delaware (town)3,097 people
- Ocean View, Delaware (town)2,851 people
- Bridgeville, Delaware (town)2,745 people
- Millville, Delaware (town)2,430 people
- Delmar, Delaware (town)2,412 people
All 27
- Long Neck, Delaware (CDP)2,161 people
- Lincoln, Delaware (CDP)1,873 people
- Greenwood, Delaware (town)1,564 people
- Dagsboro, Delaware (town)1,376 people
- Rehoboth Beach, Delaware (city)1,370 people
- Frankford, Delaware (town)1,215 people
- Blades, Delaware (town)1,071 people
- Bethany Beach, Delaware (town)905 people
- Ellendale, Delaware (town)760 people
- South Bethany, Delaware (town)545 people
- Slaughter Beach, Delaware (town)408 people
- Fenwick Island, Delaware (town)401 people
- Bethel, Delaware (town)375 people
- Dewey Beach, Delaware (town)351 people
- Henlopen Acres, Delaware (town)176 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Wicomico County, Maryland26 mi southwest
- Caroline County, Maryland30 mi northwest
- Kent County, Delaware31 mi north
- Worcester County, Maryland31 mi south
- Cape May County, New Jersey39 mi northeast
- Dorchester County, Maryland42 mi southwest
Before using this answer on a form
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