ZIP code 51442 is in Denison (86% of residents), in Crawford County, Iowa. 14% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 6; its state house district is State House District 12.
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
8 voting precincts overlap ZIP 51442.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:51442")
ZIP 51442 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.