ZIP code 54487: Tomahawk, WI

ZIP code 54487 is in Tomahawk (35% of residents), in Lincoln County (81%) and Oneida County (19%), Wisconsin. 65% 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 districts are Assembly District 35 (95%) and Assembly District 34 (4.8%).

9,750residents (2020 Census)

290.6 sq miland area

1cities and towns

1congressional district

25voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Tomahawk	35%

County	Share of ZIP residents
Lincoln County	81%
Oneida County	19%

Town or county subdivision	Share of ZIP residents
Tomahawk city	35%
Bradley town	24%
Nokomis town	14%
King town	9.9%
Tomahawk town	3.8%
Wilson town	3.0%
Little Rice town	2.5%
Harrison town	2.3%
Rock Falls town	2.1%
Woodboro town	1.3%
Cassian town	0.9%
Skanawan town	0.6%
Harding town	<0.1%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-07)	Thomas P. Tiffany (R)	202-225-3365	100%
U.S. Senator	Ron Johnson (R)	202-224-5323 · contact form	statewide
U.S. Senator	Tammy Baldwin (D)	202-224-5653 · contact form	statewide
State Senator (State Senate District 12)	Mary Felzkowski (R)		100%
Assembly Member (Assembly District 35)	Calvin Callahan (R)		95%
Assembly Member (Assembly District 34)	Rob Swearingen (R)		4.8%

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

Tomahawk website: https://www.wisconsin.gov/Pages/home.aspx
Tomahawk laws: search for the Tomahawk, Wisconsin code of ordinances
Lincoln County website: http://www.co.lincoln.wi.us
Lincoln County laws: search for the Lincoln County, Wisconsin code of ordinances
Oneida County laws: search for the Oneida County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 12	100%

State house district	Share of ZIP residents
Assembly District 35	95%
Assembly District 34	4.8%

Voting precincts

25 voting precincts overlap ZIP 54487. 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:54487")

ZIP 54487 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.