ZIP code 61820 is in Champaign (99% of residents), in Champaign County, Illinois. It is in Illinois's 13th congressional district. Its state senate district is State Senate District 52; its state house districts are State House District 103 (98%) and State House District 104 (1.6%).
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
22 voting precincts overlap ZIP 61820.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 61820 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.