ZIP code 50131 is in Johnston (98% of residents), in Polk County, Iowa. It is in Iowa's 3rd congressional district. Its state senate districts are State Senate District 22 (99%) and State Senate District 23 (0.9%); its state house districts are State House District 43 (99%), State House District 45 (0.9%) and State House District 44 (0.1%).
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).
11 voting precincts overlap ZIP 50131.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:50131")
ZIP 50131 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.