Boundary Atlas

ZIP code 20732: Chesapeake Beach, MD

ZIP code 20732 is in Chesapeake Beach (60% of residents), in Calvert County, Maryland. 40% of its residents live outside city limits. It is in Maryland's 5th congressional district. Its state senate district is State Senate District 27; its state house districts are State Legislative Subdistrict 27B (65%) and State Legislative Subdistrict 27C (35%).

10,626residents (2020 Census)
11.2 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Chesapeake Beach60%

CountyShare of ZIP residents
Calvert County100%

Town or county subdivisionShare of ZIP residents
District 3, Sunderland95%
District 2, Prince Frederick5.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-05)Steny H. Hoyer (D)202-225-4131100%
U.S. SenatorAngela D. Alsobrooks (D)202-224-4524 · contact formstatewide
U.S. SenatorChris Van Hollen (D)202-224-4654 · contact formstatewide
State Senator (State Senate District 27)Kevin Harris (Democratic)100%
Delegate (State Legislative Subdistrict 27B)Jeff Long (Democratic)65%
Delegate (State Legislative Subdistrict 27C)Mark Fisher (R)35%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 27100%

State house districtShare of ZIP residents
State Legislative Subdistrict 27B65%
State Legislative Subdistrict 27C35%

Voting precincts

5 voting precincts overlap ZIP 20732. 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:20732")

ZIP 20732 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.