ZIP code 40121 is in Fort Knox, in Hardin County (72%) and Meade County (28%), Kentucky. It is in Kentucky's 2nd congressional district. Its state senate districts are State Senate District 10 (72%) and State Senate District 5 (28%); its state house districts are State House District 26 (55%) and State House District 27 (45%).
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).
4 voting precincts overlap ZIP 40121.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:40121")
ZIP 40121 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.