Boundary Atlas

ZIP code 20751: Deale, MD

ZIP code 20751 is in Deale (93% of residents), in Anne Arundel County, Maryland. 7.0% of its residents live outside city limits. It is in Maryland's 5th congressional district. Its state senate district is State Senate District 30; its state house district is State Legislative Subdistrict 30B.

2,374residents (2020 Census)
5.2 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Deale93%

CountyShare of ZIP residents
Anne Arundel County100%

Town or county subdivisionShare of ZIP residents
District 7100%

Congressional district

Congressional districtShare of ZIP residents
Maryland's 5th congressional district (MD-05)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 30100%

State house districtShare of ZIP residents
State Legislative Subdistrict 30B100%

Voting precincts

3 voting precincts overlap ZIP 20751. Map them, with each precinct's share of the ZIP's residents.

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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:20751")

ZIP 20751 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.