Boundary Atlas

ZIP code 20650: Leonardtown, MD

ZIP code 20650 is in Leonardtown (30% of residents) and Callaway (1.2%), in St. Mary's County, Maryland. 69% of its residents live outside city limits. It is in Maryland's 5th congressional district. Its state senate district is State Senate District 29; its state house districts are State Legislative Subdistrict 29A (64%) and State Legislative Subdistrict 29C (36%).

15,298residents (2020 Census)
61.4 sq miland area
2cities and towns
1congressional district
7voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Leonardtown30%
Callaway1.2%

CountyShare of ZIP residents
St. Mary's County100%

Town or county subdivisionShare of ZIP residents
District 3, Leonardtown87%
District 2, Valley Lee13%

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 29)Jack Bailey (R)240-309-4238100%
Delegate (State Legislative Subdistrict 29A)Matt Morgan (R)64%
Delegate (State Legislative Subdistrict 29C)Todd Morgan (R)36%

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 29100%

State house districtShare of ZIP residents
State Legislative Subdistrict 29A64%
State Legislative Subdistrict 29C36%

Voting precincts

7 voting precincts overlap ZIP 20650. Map them, with each precinct's share of the ZIP's residents.

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ZIP 20650 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.