Boundary Atlas

ZIP code 54829: Cumberland, WI

ZIP code 54829 is in Cumberland (43% of residents), in Barron County (93%) and Polk County (7.0%), Wisconsin. 57% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate districts are State Senate District 23 (93%) and State Senate District 25 (7.0%); its state house districts are Assembly District 67 (93%) and Assembly District 75 (7.0%).

5,326residents (2020 Census)
143.5 sq miland area
1cities and towns
1congressional district
14voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Cumberland43%

CountyShare of ZIP residents
Barron County93%
Polk County7.0%

Town or county subdivisionShare of ZIP residents
Cumberland city43%
Maple Plain town16%
Cumberland town15%
Lakeland town11%
Crystal Lake town6.3%
McKinley town5.7%
Johnstown town1.3%
Stanfold town1.1%
Clinton town0.8%

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 2393%
State Senate District 257.0%

State house districtShare of ZIP residents
Assembly District 6793%
Assembly District 757.0%

Voting precincts

14 voting precincts overlap ZIP 54829. 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:54829")

ZIP 54829 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.