ZIP code 61531 is in Farmington (72% of residents), in Fulton County (95%), Peoria County (3.2%) and Knox County (2.1%), Illinois. 28% of its residents live outside city limits. It is in Illinois's 17th congressional district. Its state senate district is State Senate District 47; its state house districts are State House District 94 (97%) and State House District 93 (2.8%).
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).
9 voting precincts overlap ZIP 61531.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 61531 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.