ZIP code 61865 is in Potomac (51% of residents), in Vermilion County, Illinois. 49% of its residents live outside city limits. It is in Illinois's 2nd congressional district. Its state senate districts are State Senate District 51 (88%) and State Senate District 52 (12%); its state house districts are State House District 101 (88%) and State House District 104 (12%).
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).
6 voting precincts overlap ZIP 61865.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:61865")
ZIP 61865 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.