ZIP code 21251: Baltimore, MD

ZIP code 21251 is in Baltimore, in Baltimore city, Maryland. It is in Maryland's 7th congressional district. Its state senate district is State Senate District 43; its state house district is State Legislative Subdistrict 43A.

277residents (2020 Census)

0.1 sq miland area

1cities and towns

1congressional district

2voting precincts

See it on the map All of Maryland

City and county

City or town	Share of ZIP residents
Baltimore	100%

County	Share of ZIP residents
Baltimore city	100%

Town or county subdivision	Share of ZIP residents
Baltimore city	100%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
Mayor	Brandon M. Scott	410-545-0778	100%
U.S. Representative (MD-07)	Kweisi Mfume (D)	202-225-4741	100%
U.S. Senator	Angela D. Alsobrooks (D)	202-224-4524 · contact form	statewide
U.S. Senator	Chris Van Hollen (D)	202-224-4654 · contact form	statewide
State Senator (State Senate District 43)	Mary Washington (Democratic)		100%
Delegate (State Legislative Subdistrict 43A)	Elizabeth Embry (Democratic)		100%
Delegate (State Legislative Subdistrict 43A)	Regina Boyce (Democratic)		100%

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

Local government

Baltimore website: https://www.baltimorecity.gov/
Baltimore council: Baltimore City Council
Baltimore laws: search for the Baltimore, Maryland code of ordinances
Baltimore city website: https://www.baltimorecity.gov/
Baltimore city laws: search for the Baltimore city, Maryland code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 43	100%

State house district	Share of ZIP residents
State Legislative Subdistrict 43A	100%

Voting precincts

2 voting precincts overlap ZIP 21251. 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:21251")

ZIP 21251 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.