ZIP code 21742 is in Hagerstown (31% of residents), Robinwood (21%), Fountainhead-Orchard Hills (19%), Paramount-Long Meadow (8.0%), Leitersburg (1.7%) and Mount Aetna (1.3%), in Washington County, Maryland. 19% of its residents live outside city limits. It is in Maryland's 6th congressional district. Its state senate districts are State Senate District 2 (100%) and State Senate District 1 (0.2%); its state house districts are State Legislative Subdistrict 2A (69%), State Legislative Subdistrict 2B (31%) and State Legislative Subdistrict 1C (0.2%).
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).
16 voting precincts overlap ZIP 21742.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 21742 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.