ZIP code 20637 is in Hughesville (30% of residents), in Charles County, Maryland. 70% of its residents live outside city limits. It is in Maryland's 5th congressional district. Its state senate districts are State Senate District 28 (77%) and State Senate District 27 (23%); its state house districts are State Legislative District 28 (77%) and State Legislative Subdistrict 27A (23%).
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).
4 voting precincts overlap ZIP 20637.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 20637 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.