Boundary Atlas

ZIP code 53543: Highland, WI

ZIP code 53543 is in Highland (53% of residents), in Iowa County (95%) and Grant County (4.8%), Wisconsin. 47% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district (95%) and Wisconsin's 3rd congressional district (4.8%). Its state senate district is State Senate District 17; its state house district is Assembly District 51.

1,639residents (2020 Census)
77.3 sq miland area
1cities and towns
2congressional districts
9voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Highland53%

CountyShare of ZIP residents
Iowa County95%
Grant County4.8%

Town or county subdivisionShare of ZIP residents
Highland village53%
Highland town38%
Castle Rock town3.7%
Eden town3.7%
Wingville town1.2%
Clyde town0.7%

Congressional districts

Congressional districtShare of ZIP residents
Wisconsin's 2nd congressional district (WI-02)95%
Wisconsin's 3rd congressional district (WI-03)4.8%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-02)Mark Pocan (D)202-225-290695%
U.S. Representative (WI-03)Derrick Van Orden (R)202-225-55064.8%
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 17)Howard Marklein (R)100%
Assembly Member (Assembly District 51)Todd Novak (R)100%

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 17100%

State house districtShare of ZIP residents
Assembly District 51100%

Voting precincts

9 voting precincts overlap ZIP 53543. 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:53543")

ZIP 53543 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.