Boundary Atlas

ZIP code 20623: Rosaryville, MD

ZIP code 20623 is in Rosaryville, in Prince George's County, Maryland. It is in Maryland's 5th congressional district. Its state senate districts are State Senate District 27 (65%) and State Senate District 23 (35%); its state house districts are State Legislative Subdistrict 27B (65%) and State Legislative District 23 (35%).

2,846residents (2020 Census)
1.9 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Rosaryville100%

CountyShare of ZIP residents
Prince George's County100%

Town or county subdivisionShare of ZIP residents
District 11, Brandywine100%

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 27)Kevin Harris (Democratic)65%
State Senator (State Senate District 23)Ron Watson (Democratic)35%
Delegate (State Legislative Subdistrict 27B)Jeff Long (Democratic)65%
Delegate (State Legislative District 23)Adrian Boafo (Democratic)35%
Delegate (State Legislative District 23)Kym Taylor (Democratic)35%
Delegate (State Legislative District 23)Marvin Holmes (Democratic)35%

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 2765%
State Senate District 2335%

State house districtShare of ZIP residents
State Legislative Subdistrict 27B65%
State Legislative District 2335%

Voting precincts

3 voting precincts overlap ZIP 20623. Map them, with each precinct's share of the ZIP's residents.

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ZIP 20623 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.