Delaware ZIP Codes
Delaware contains 68 ZIP codes across 3 counties and 54 cities. Browse by city or county below, or jump to the largest and highest-income ZIP codes in Delaware.
Cities in Delaware
Browse all 54 cities in Delaware
- Bear
- Bethany Beach
- Bethel
- Bridgeville
- Camden Wyoming
- Cheswold
- Claymont
- Clayton
- Dagsboro
- Delaware City
- Delmar
- Dover
- Dover Afb
- Ellendale
- Felton
- Fenwick Island
- Frankford
- Frederica
- Georgetown
- Greenwood
- Harbeson
- Harrington
- Hartly
- Hockessin
- Houston
- Kenton
- Laurel
- Lewes
- Lincoln
- Magnolia
- Marydel
- Middletown
- Milford
- Millsboro
- Millville
- Milton
- Montchanin
- New Castle
- Newark
- Ocean View
- Odessa
- Port Penn
- Rehoboth Beach
- Rockland
- Saint Georges
- Seaford
- Selbyville
- Smyrna
- Townsend
- Viola
- Wilmington
- Winterthur
- Woodside
- Yorklyn
Counties in Delaware
Largest ZIP Codes by Population in Delaware
- 19720 – NEW CASTLE (60,514)
- 19702 – NEWARK (56,571)
- 19711 – NEWARK (49,746)
- 19709 – MIDDLETOWN (48,954)
- 19701 – BEAR (44,553)
- 19805 – WILMINGTON (39,610)
- 19901 – DOVER (39,097)
- 19808 – WILMINGTON (38,107)
- 19904 – DOVER (37,387)
- 19966 – MILLSBORO (32,513)