ZIP code 66503 is in Manhattan (85% of residents), in Riley County, Kansas. 15% of its residents live outside city limits. It is in Kansas's 1st congressional district. Its state senate district is State Senate District 22; its state house districts are State House District 67 (84%), State House District 64 (13%) and State House District 68 (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).
22 voting precincts overlap ZIP 66503.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 66503 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.