ZIP code 11731 is in East Northport (58% of residents), Elwood (22%), Commack (19%) and Dix Hills (1.7%), in Suffolk County, New York. It is in New York's 1st congressional district. Its state senate district is State Senate District 2; its state house districts are Assembly District 12 (97%) and Assembly District 10 (3.1%).
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).
30 voting precincts overlap ZIP 11731.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:11731")
ZIP 11731 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.