ZIP code 42320 is in Beaver Dam (42% of residents) and McHenry (1.4%), in Ohio County (100%) and Butler County (0.4%), Kentucky. 57% of its residents live outside city limits. It is in Kentucky's 2nd congressional district. Its state senate district is State Senate District 5; its state house districts are State House District 14 (100%) and State House District 15 (0.4%).
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).
12 voting precincts overlap ZIP 42320.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:42320")
ZIP 42320 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.