Boundary Atlas

ZIP code 54023: Roberts, WI

ZIP code 54023 is in Roberts (43% of residents), in St. Croix County, Wisconsin. 57% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 10; its state house districts are Assembly District 28 (90%) and Assembly District 30 (10%).

4,456residents (2020 Census)
45.0 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Roberts43%

CountyShare of ZIP residents
St. Croix County100%

Town or county subdivisionShare of ZIP residents
Roberts village43%
Warren town36%
Kinnickinnic town10%
Hammond town9.5%
Pleasant Valley town1.6%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-07)Thomas P. Tiffany (R)202-225-3365100%
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 10)Rob Stafsholt (R)100%
Assembly Member (Assembly District 28)Rob Kreibich (R)90%
Assembly Member (Assembly District 30)Shannon Zimmerman (R)10%

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 10100%

State house districtShare of ZIP residents
Assembly District 2890%
Assembly District 3010%

Voting precincts

10 voting precincts overlap ZIP 54023. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:54023")

ZIP 54023 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.