Boundary Atlas

ZIP code 54921: Bancroft, WI

ZIP code 54921 is in Bancroft (41% of residents), in Portage County (92%) and Adams County (8.2%), Wisconsin. 59% of its residents live outside city limits. It is in Wisconsin's 3rd congressional district. Its state senate districts are State Senate District 24 (93%) and State Senate District 19 (7.5%); its state house districts are Assembly District 71 (93%) and Assembly District 57 (7.5%).

1,273residents (2020 Census)
87.3 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Bancroft41%

CountyShare of ZIP residents
Portage County92%
Adams County8.2%

Town or county subdivisionShare of ZIP residents
Pine Grove town56%
Buena Vista town21%
Leola town8.2%
Almond town7.5%
Grant town6.9%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 3rd congressional district (WI-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-03)Derrick Van Orden (R)202-225-5506100%
U.S. SenatorRon Johnson (R)202-224-5323 · contact formstatewide
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact formstatewide
State Senator (State Senate District 24)Patrick Testin (R)93%
State Senator (State Senate District 19)Rachael Cabral-Guevara (R)7.5%
Assembly Member (Assembly District 71)Vinnie Miresse (Democratic)93%
Assembly Member (Assembly District 57)Kevin Petersen (R)7.5%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2493%
State Senate District 197.5%

State house districtShare of ZIP residents
Assembly District 7193%
Assembly District 577.5%

Voting precincts

7 voting precincts overlap ZIP 54921. 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:

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ZIP 54921 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.