Boundary Atlas

ZIP code 20772: District 15, Mellwood, MD

ZIP code 20772 is in Marlton (19% of residents), Marlboro Village (18%), Rosaryville (17%), Westphalia (17%), Melwood (7.7%), Marlboro Meadows (6.9%), Croom (4.3%), Queensland (4.3%), Brock Hall (3.8%) and Upper Marlboro (1.3%), in Prince George's County, Maryland. It is in Maryland's 5th congressional district. Its state senate districts are State Senate District 23 (62%), State Senate District 25 (36%) and State Senate District 27 (2.4%); its state house districts are State Legislative District 23 (62%), State Legislative District 25 (36%) and State Legislative Subdistrict 27B (2.4%).

51,395residents (2020 Census)
72.5 sq miland area
12cities and towns
1congressional district
22voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Marlton19%
Marlboro Village18%
Rosaryville17%
Westphalia17%
Melwood7.7%
Marlboro Meadows6.9%
Croom4.3%
Queensland4.3%
Brock Hall3.8%
Upper Marlboro1.3%
Baden0.8%
Brown Station0.1%

CountyShare of ZIP residents
Prince George's County100%

Town or county subdivisionShare of ZIP residents
District 15, Mellwood57%
District 3, Marlboro25%
District 11, Brandywine12%
District 4, Nottingham3.4%
District 9, Surratts3.1%
District 6, Spauldingsland only

Congressional district

Congressional districtShare of ZIP residents
Maryland's 5th congressional district (MD-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-05)Steny H. Hoyer (D)202-225-4131100%
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 23)Ron Watson (Democratic)62%
State Senator (State Senate District 25)Nick Charles (Democratic)36%
State Senator (State Senate District 27)Kevin Harris (Democratic)2.4%
Delegate (State Legislative District 23)Adrian Boafo (Democratic)62%
Delegate (State Legislative District 23)Kym Taylor (Democratic)62%
Delegate (State Legislative District 23)Marvin Holmes (Democratic)62%
Delegate (State Legislative District 25)Denise Roberts (Democratic)36%
Delegate (State Legislative District 25)Karen Toles (Democratic)36%
Delegate (State Legislative District 25)Kent Roberson (Democratic)36%
Delegate (State Legislative Subdistrict 27B)Jeff Long (Democratic)2.4%

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 2362%
State Senate District 2536%
State Senate District 272.4%

State house districtShare of ZIP residents
State Legislative District 2362%
State Legislative District 2536%
State Legislative Subdistrict 27B2.4%

Voting precincts

22 voting precincts overlap ZIP 20772. 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:20772")

ZIP 20772 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.