Boundary Atlas

ZIP code 21204: Towson, MD

ZIP code 21204 is in Towson, in Baltimore County, Maryland. It is in Maryland's 2nd congressional district. Its state senate districts are State Senate District 43 (44%), State Senate District 42 (31%) and State Senate District 11 (25%); its state house districts are State Legislative Subdistrict 43B (44%), State Legislative Subdistrict 42B (31%) and State Legislative Subdistrict 11B (25%).

20,967residents (2020 Census)
6.3 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Towson100%

CountyShare of ZIP residents
Baltimore County100%

Town or county subdivisionShare of ZIP residents
District 988%
District 812%

Congressional district

Congressional districtShare of ZIP residents
Maryland's 2nd congressional district (MD-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-02)Johnny Olszewski, Jr. (D)202-225-3061100%
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 43)Mary Washington (Democratic)44%
State Senator (State Senate District 42)Chris West (R)31%
State Senator (State Senate District 11)Shelly Hettleman (Democratic)25%
Delegate (State Legislative Subdistrict 43B)Cathi Forbes (Democratic)44%
Delegate (State Legislative Subdistrict 42B)Michele Guyton (Democratic)31%
Delegate (State Legislative Subdistrict 11B)Dana Stein (Democratic)25%
Delegate (State Legislative Subdistrict 11B)Jon Cardin (Democratic)25%

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 4344%
State Senate District 4231%
State Senate District 1125%

State house districtShare of ZIP residents
State Legislative Subdistrict 43B44%
State Legislative Subdistrict 42B31%
State Legislative Subdistrict 11B25%

Voting precincts

10 voting precincts overlap ZIP 21204. Map them, with each precinct's share of the ZIP's residents.

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ZIP 21204 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.