ZIP code 52403 is in Cedar Rapids (87% of residents), Marion (1.4%) and Bertram (1.2%), in Linn County, Iowa. 10% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate districts are State Senate District 39 (74%), State Senate District 37 (18%) and State Senate District 42 (8.1%); its state house districts are State House District 78 (74%), State House District 74 (15%), State House District 83 (8.1%) and State House District 73 (3.0%).
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).
12 voting precincts overlap ZIP 52403.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 52403 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.