ZIP code 60543 is in Oswego (86% of residents), in Kendall County (100%), Kane County (0.1%) and Will County (<0.1%), Illinois. 14% of its residents live outside city limits. It is in Illinois's 14th congressional district. Its state senate districts are State Senate District 42 (63%), State Senate District 38 (36%) and State Senate District 49 (1.3%); its state house districts are State House District 75 (36%), State House District 84 (35%), State House District 83 (28%) and State House District 97 (1.3%).
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).
32 voting precincts overlap ZIP 60543.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 60543 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.