Delaware: cities, counties, ZIP codes and districts
Delaware has 1 congressional district, 21 state senate districts and 41 state house districts under the maps in force for November 3, 2026, plus 531 voting precincts, 3 counties, 79 cities, towns and Census-designated places, and 68 ZIP codes.
Cities and towns
Largest first. Each page lists the city's county, districts and ZIP codes.
- Wilmington
- Dover
- Newark
- Middletown
- Bear
- Glasgow
- Brookside
- Hockessin
- Smyrna
- Pike Creek Valley
- Milford
- Claymont
- North Star
- Wilmington Manor
- Seaford
- Pike Creek
- Georgetown
- Millsboro
- Edgemoor
- Elsmere
- New Castle
- Rising Sun-Lebanon
- Clayton
- Harrington
- Laurel
- Camden
- Highland Acres
- Milton
- Lewes
- Greenville
- Long Neck
- Selbyville
- Dover Base Housing
- Townsend
- Ocean View
- Bridgeville
- Woodside East
- Riverview
- Kent Acres
- Delmar
- St. Georges
- Cheswold
- Delaware City
- Millville
- Wyoming
- Rodney Village
- Felton
- Bellefonte
- Blades
- Rehoboth Beach
- Frederica
- Greenwood
- Bethany Beach
- Newport
- Lincoln
- Dagsboro
- Frankford
- Ellendale
- South Bethany
- Arden
- Houston
- Odessa
- Dewey Beach
- Fenwick Island
- Bowers
- Magnolia
- Ardentown
- Bethel
- Ardencroft
- Slaughter Beach
- Kenton
- Little Creek
- Woodside
- Leipsic
- Port Penn
- Viola
- Henlopen Acres
- Farmington
- Hartly
Congressional districts (2026)
| District | Short | 2020 population |
|---|---|---|
| Delaware's at-large congressional district | DE-AL | 989,948 |
ZIP codes in Delaware
Each page lists the ZIP's congressional and legislative districts, with population shares where it's split.
- 19701
- 19702
- 19703
- 19706
- 19707
- 19709
- 19710
- 19711
- 19713
- 19716
- 19717
- 19720
- 19730
- 19731
- 19732
- 19733
- 19734
- 19735
- 19736
- 19801
- 19802
- 19803
- 19804
- 19805
- 19806
- 19807
- 19808
- 19809
- 19810
- 19901
- 19902
- 19904
- 19930
- 19931
- 19933
- 19934
- 19936
- 19938
- 19939
- 19940
- 19941
- 19943
- 19944
- 19945
- 19946
- 19947
- 19950
- 19951
- 19952
- 19953
- 19954
- 19955
- 19956
- 19958
- 19960
- 19962
- 19963
- 19964
- 19966
- 19967
- 19968
- 19970
- 19971
- 19973
- 19975
- 19977
- 19979
- 19980
Get this in your AI agent
Your agent can list, look up and map every district and precinct in Delaware. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
list_geographies(country="US", level="congressional_district", region="DE")