Boundary Atlas

ZIP code 54880: Superior, WI

ZIP code 54880 is in Superior (88% of residents), Superior (2.2%) and Oliver (1.4%), in Douglas County, Wisconsin. 8.4% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 25; its state house districts are Assembly District 73 (98%) and Assembly District 74 (1.6%).

30,400residents (2020 Census)
166.1 sq miland area
3cities and towns
1congressional district
37voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Superior88%
Superior2.2%
Oliver1.4%

CountyShare of ZIP residents
Douglas County100%

Town or county subdivisionShare of ZIP residents
Superior city88%
Superior town6.3%
Superior village2.2%
Oliver village1.4%
Summit town0.9%
Oakland town0.7%
Parkland town0.5%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 7th congressional district (WI-07)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
Assembly District 7398%
Assembly District 741.6%

Voting precincts

37 voting precincts overlap ZIP 54880. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:54880")

ZIP 54880 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.