ZIP code 63645 is in Fredericktown (37% of residents), Mine La Motte (3.0%), Junction City (2.4%), Cherokee Pass (2.3%) and Cobalt (2.2%), in Madison County (96%), St. Francois County (3.4%) and Ste. Genevieve County (0.9%), Missouri. 53% of its residents live outside city limits. It is in Missouri's 8th congressional district. Its state senate districts are State Senate District 27 (96%) and State Senate District 3 (4.2%); its state house districts are State House District 116 (93%), State House District 144 (6.5%) and State House District 145 (0.9%).
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 63645.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 63645 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.