ZIP code 62257 is in Marissa (67% of residents), in St. Clair County (84%), Washington County (14%) and Randolph County (1.4%), Illinois. 33% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate districts are State Senate District 58 (91%), State Senate District 55 (5.6%) and State Senate District 57 (3.0%); its state house districts are State House District 115 (91%), State House District 109 (5.6%) and State House District 114 (3.0%).
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).
10 voting precincts overlap ZIP 62257.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 62257 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.