Boundary Atlas

ZIP code 54558: St. Germain, WI

ZIP code 54558 is in Vilas County (90%) and Oneida County (10%), Wisconsin, outside any city or Census-designated place. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 12; its state house district is Assembly District 34.

2,215residents (2020 Census)
43.2 sq miland area
0cities and towns
1congressional district
6voting precincts

See it on the mapAll of Wisconsin

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Vilas County90%
Oneida County10%

Town or county subdivisionShare of ZIP residents
St. Germain town84%
Newbold town7.4%
Cloverland town5.9%
Woodruff town2.8%

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 12100%

State house districtShare of ZIP residents
Assembly District 34100%

Voting precincts

6 voting precincts overlap ZIP 54558. 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:54558")

ZIP 54558 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.