Boundary Atlas

ZIP code 54166: Shawano, WI

ZIP code 54166 is in Shawano (55% of residents), in Shawano County, Wisconsin. 45% of its residents live outside city limits. It is in Wisconsin's 8th congressional district. Its state senate district is State Senate District 2; its state house district is Assembly District 6.

16,892residents (2020 Census)
146.0 sq miland area
2cities and towns
1congressional district
34voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Shawano55%
Thornton0.4%

CountyShare of ZIP residents
Shawano County100%

Town or county subdivisionShare of ZIP residents
Shawano city55%
Wescott town19%
Richmond town11%
Waukechon town4.3%
Belle Plaine town4.0%
Washington town3.9%
Herman town1.7%
Pella town1.0%
Seneca town0.1%
Navarino town<0.1%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 8th congressional district (WI-08)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2100%

State house districtShare of ZIP residents
Assembly District 6100%

Voting precincts

34 voting precincts overlap ZIP 54166. 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:54166")

ZIP 54166 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.