ZIP code 53597 is in Waunakee (72% of residents) and Middleton (3.5%), in Dane County, Wisconsin. 25% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district. Its state senate districts are State Senate District 27 (96%) and State Senate District 14 (3.8%); its state house districts are Assembly District 81 (96%) and Assembly District 42 (3.8%).
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).
23 voting precincts overlap ZIP 53597.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:53597")
ZIP 53597 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.