ZIP code 52540 is in Brighton (43% of residents) and Pleasant Plain (6.0%), in Washington County (64%) and Jefferson County (36%), Iowa. 51% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate districts are State Senate District 46 (64%) and State Senate District 44 (36%); its state house districts are State House District 92 (64%) and State House District 88 (36%).
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 52540.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:52540")
ZIP 52540 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.