Boundary Atlas

Chillum, Maryland

Chillum is a Census-designated place (an unincorporated community) in Prince George's County, Maryland, with 36,039 residents in 2020. It is in Maryland's 4th congressional district. It spans 2 state senate and 3 state house districts.

36,039residents (2020 Census)
3.4 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Prince George's County100%

Congressional district

Congressional districtShare of residents
Maryland's 4th congressional district (MD-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-04)Glenn Ivey (D)202-225-8699100%
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 47)Malcolm Augustine (Democratic)86%
State Senator (State Senate District 22)Alonzo Washington (Democratic)14%
Delegate (State Legislative Subdistrict 47A)Diana Fennell (Democratic)59%
Delegate (State Legislative Subdistrict 47A)Julian Ivey (Democratic)59%
Delegate (State Legislative Subdistrict 47B)Deni Taveras (Democratic)27%
Delegate (State Legislative District 22)Anne Healey (Democratic)14%
Delegate (State Legislative District 22)Ashanti Martínez (Democratic)14%
Delegate (State Legislative District 22)Nicole Williams (Democratic)14%

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 4786%
State Senate District 2214%

State house districtShare of residents
State Legislative Subdistrict 47A59%
State Legislative Subdistrict 47B27%
State Legislative District 2214%

ZIP codes

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

Get this in your AI agent

Your agent can get Chillum'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:2416875")

Chillum 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.