Boundary Atlas

Lansdowne, Maryland

Lansdowne is a Census-designated place (an unincorporated community) in Baltimore County, Maryland, with 9,004 residents in 2020. It is in Maryland's 7th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 44.

9,004residents (2020 Census)
2.3 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Baltimore County100%

Congressional district

Congressional districtShare of 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 44)Charles Sydnor (Democratic)100%
Delegate (State Legislative Subdistrict 44A)Eric Ebersole (Democratic)100%
Delegate (State Legislative Subdistrict 44B)Aletheia McCaskill (Democratic)<0.1%
Delegate (State Legislative Subdistrict 44B)Sheila Ruth (Democratic)<0.1%

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 residents
State Senate District 44100%

State house districtShare of residents
State Legislative Subdistrict 44A100%
State Legislative Subdistrict 44B<0.1%

ZIP codes

Percentages mark ZIPs only partly in Lansdowne: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Lansdowne's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:2445650")

Lansdowne here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.