Boundary Atlas

ZIP code 54539: Lake Tomahawk, WI

ZIP code 54539 is in Lake Tomahawk (16% of residents), in Oneida County, Wisconsin. 84% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 12; its state house district is Assembly District 34.

1,525residents (2020 Census)
55.7 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Lake Tomahawk16%

CountyShare of ZIP residents
Oneida County100%

Town or county subdivisionShare of ZIP residents
Lake Tomahawk town65%
Newbold town21%
Woodruff town14%

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 12)Mary Felzkowski (R)100%
Assembly Member (Assembly District 34)Rob Swearingen (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 12100%

State house districtShare of ZIP residents
Assembly District 34100%

Voting precincts

5 voting precincts overlap ZIP 54539. Map them, with each precinct's share of the ZIP's residents.

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ZIP 54539 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.