ZIP code 21550 is in Mountain Lake Park (16% of residents), Oakland (14%), Loch Lynn Heights (3.6%), Deer Park (2.2%) and Crellin (1.6%), in Garrett County, Maryland. 63% of its residents live outside city limits. It is in Maryland's 6th congressional district. Its state senate district is State Senate District 1; its state house district is State Legislative Subdistrict 1A.
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).
8 voting precincts overlap ZIP 21550.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 21550 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.