Boundary Atlas

ZIP code 19971: Sussex County, DE

ZIP code 19971 is in Rehoboth Beach (7.7% of residents) and Dewey Beach (2.5%), in Sussex County, Delaware. 90% of its residents live outside city limits. It is in Delaware's at-large congressional district. Its state senate district is State Senate District 6; its state house district is State Representative District 14.

14,348residents (2020 Census)
18.0 sq miland area
3cities and towns
1congressional district
9voting precincts

See it on the mapAll of Delaware

City and county

City or townShare of ZIP residents
Rehoboth Beach7.7%
Dewey Beach2.5%
Henlopen Acres1.0%

CountyShare of ZIP residents
Sussex County100%

Town or county subdivisionShare of ZIP residents
Lewes CCD100%

Congressional district

Congressional districtShare of ZIP residents
Delaware's at-large congressional district (DE-AL)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 6100%

State house districtShare of ZIP residents
State Representative District 14100%

Voting precincts

9 voting precincts overlap ZIP 19971. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:19971")

ZIP 19971 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.