Boundary Atlas

ZIP code 20782: Chillum, MD

ZIP code 20782 is in Chillum (53% of residents), Hyattsville (38%), University Park (6.9%) and Adelphi (1.9%), in Prince George's County, Maryland. It is in Maryland's 4th congressional district. Its state senate districts are State Senate District 47 (51%) and State Senate District 22 (49%); its state house districts are State Legislative District 22 (49%), State Legislative Subdistrict 47A (38%) and State Legislative Subdistrict 47B (12%).

35,356residents (2020 Census)
4.3 sq miland area
4cities and towns
1congressional district
13voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Chillum53%
Hyattsville38%
University Park6.9%
Adelphi1.9%

CountyShare of ZIP residents
Prince George's County100%

Town or county subdivisionShare of ZIP residents
District 17, Chillum67%
District 16, Hyattsville24%
District 19, Riverdale6.8%
District 21, Berwyn2.1%

Congressional district

Congressional districtShare of ZIP 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)51%
State Senator (State Senate District 22)Alonzo Washington (Democratic)49%
Delegate (State Legislative District 22)Anne Healey (Democratic)49%
Delegate (State Legislative District 22)Ashanti Martínez (Democratic)49%
Delegate (State Legislative District 22)Nicole Williams (Democratic)49%
Delegate (State Legislative Subdistrict 47A)Diana Fennell (Democratic)38%
Delegate (State Legislative Subdistrict 47A)Julian Ivey (Democratic)38%
Delegate (State Legislative Subdistrict 47B)Deni Taveras (Democratic)12%

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 4751%
State Senate District 2249%

State house districtShare of ZIP residents
State Legislative District 2249%
State Legislative Subdistrict 47A38%
State Legislative Subdistrict 47B12%

Voting precincts

13 voting precincts overlap ZIP 20782. 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:20782")

ZIP 20782 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.