ZIP code 12603 is in Poughkeepsie (16% of residents), Spackenkill (9.9%), Red Oaks Mill (9.2%), Arlington (6.9%), MacDonnell Heights (3.1%), Titusville (1.8%) and Vassar College (1.1%), in Dutchess County, New York. 52% of its residents live outside city limits. It is in New York's 18th congressional district. Its state senate districts are State Senate District 39 (100%) and State Senate District 41 (0.2%); its state house districts are Assembly District 106 (61%), Assembly District 105 (23%) and Assembly District 104 (16%).
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).
34 voting precincts overlap ZIP 12603.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 12603 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.