Boundary Atlas

ZIP code 21222: Dundalk, MD

ZIP code 21222 is in Dundalk (97% of residents) and Baltimore (3.1%), in Baltimore County (97%) and Baltimore city (3.1%), Maryland. It is in Maryland's 7th congressional district. Its state senate districts are State Senate District 6 (97%) and State Senate District 46 (3.1%); its state house districts are State Legislative District 6 (97%) and State Legislative District 46 (3.1%).

59,062residents (2020 Census)
11.5 sq miland area
3cities and towns
1congressional district
16voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Dundalk97%
Baltimore3.1%
Edgemere0.2%

CountyShare of ZIP residents
Baltimore County97%
Baltimore city3.1%

Town or county subdivisionShare of ZIP residents
District 1286%
District 1511%
Baltimore city3.1%

Congressional district

Congressional districtShare of ZIP residents
Maryland's 7th congressional district (MD-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-07)Kweisi Mfume (D)202-225-4741100%
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 6)Johnny Salling (R)97%
State Senator (State Senate District 46)Bill Ferguson (Democratic)3.1%
Delegate (State Legislative District 6)Bob Long (R)97%
Delegate (State Legislative District 6)Ric Metzgar (R)97%
Delegate (State Legislative District 6)Robin Grammer (R)97%
Delegate (State Legislative District 46)Luke Clippinger (Democratic)410-841-33033.1%
Delegate (State Legislative District 46)Mark Edelson (Democratic)3.1%
Delegate (State Legislative District 46)Robbyn Lewis (Democratic)3.1%

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 697%
State Senate District 463.1%

State house districtShare of ZIP residents
State Legislative District 697%
State Legislative District 463.1%

Voting precincts

16 voting precincts overlap ZIP 21222. Map them, with each precinct's share of the ZIP's residents.

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related_geographies(id="us:zcta:21222")

ZIP 21222 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.