County ProfileDE
Sussex County
Population: 237,378 · 22 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
237,378
People
Median age
51.9
Housing
Total households
106,441
Income
Median household income
$81,497
Housing
Total housing units
151,799
Employment
Employment rate
51.1%
Education
Bachelor’s degree or higher
33%
Healthcare
Insured population
93%
County details
Local time 02:10:19(ET)| Name | Sussex |
|---|---|
| Total ZIP codes | 22total |
| ZIP codes (by type) | 22 Standard |
| Area code | 302 |
| Timezone | Eastern Time (ET) |
| Coordinates | 38.6732275, -75.3370237 |
| Land area | 936.1 sq miles(2,424.6 km²) |
Map of Sussex county, Delaware with ZIP codes
Cities and Communities in Sussex County
Compare the largest cities in Sussex County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Milford | 11,190 | $59,464 | 1ZIPs |
| Seaford | 7,957 | $54,016 | 1ZIPs |
| Georgetown | 7,134 | $49,719 | 1ZIPs |
| Millsboro | 6,863 | $78,707 | 1ZIPs |
| Laurel | 3,865 | $48,644 | 1ZIPs |
| Lewes | 3,303 | $96,393 | 1ZIPs |
| Milton | 3,291 | $80,875 | 1ZIPs |
| Selbyville | 2,878 | $75,592 | 1ZIPs |
| Ocean View | 2,636 | $91,500 | 1ZIPs |
| Bridgeville | 2,568 | $64,879 | 1ZIPs |
| Delmar | 2,027 | $61,250 | 1ZIPs |
| Harbeson | 1,986 | — | 1ZIPs |
| Millville | 1,825 | $99,776 | 1ZIPs |
| Rehoboth Beach | 1,108 | $137,500 | 1ZIPs |
| Greenwood | 990 | $73,345 | 1ZIPs |
| Bethany Beach | 954 | $117,159 | 1ZIPs |
| Lincoln | 894 | $107,690 | 1ZIPs |
| Dagsboro | 870 | $60,607 | 1ZIPs |
| Frankford | 790 | $77,206 | 1ZIPs |
| Ellendale | 487 | $65,250 | 1ZIPs |
| Fenwick Island | 343 | $113,125 | 1ZIPs |
| Bethel | 239 | $99,375 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Sussex County
Review the most populated postal areas across Sussex County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 19966 | Millsboro | $78,305 | 32,520 |
| 19958 | Lewes | $97,197 | 27,911 |
| 19973 | Seaford | $64,387 | 25,550 |
| 19947 | Georgetown | $71,229 | 20,964 |
| 19963 | Milford | $71,108 | 20,827 |
| 19956 | Laurel | $65,603 | 16,327 |
| 19971 | Rehoboth Beach | $102,146 | 14,348 |
| 19968 | Milton | $87,163 | 13,800 |
| 19975 | Selbyville | $88,568 | 10,476 |
| 19933 | Bridgeville | $60,703 | 9,784 |
| 19970 | Ocean View | $94,103 | 8,591 |
| 19945 | Frankford | $87,638 | 8,041 |
| 19939 | Dagsboro | $89,806 | 7,357 |
| 19960 | Lincoln | $67,200 | 7,121 |
| 19950 | Greenwood | $75,305 | 7,095 |
| 19940 | Delmar | $65,024 | 6,541 |
| 19941 | Ellendale | $75,139 | 2,857 |
| 19930 | Bethany Beach | $125,491 | 2,657 |
| 19951 | Harbeson | $95,546 | 1,986 |
| 19967 | Millville | $98,301 | 1,802 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS