Boundary Atlas

ZIP code 54448: Marathon City, WI

ZIP code 54448 is in Marathon City (37% of residents), in Marathon County, Wisconsin. 63% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate districts are State Senate District 29 (95%), State Senate District 23 (3.1%) and State Senate District 12 (1.7%); its state house districts are Assembly District 86 (95%), Assembly District 69 (3.1%) and Assembly District 35 (1.7%).

4,280residents (2020 Census)
91.1 sq miland area
1cities and towns
1congressional district
11voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Marathon City37%

CountyShare of ZIP residents
Marathon County100%

Town or county subdivisionShare of ZIP residents
Marathon City village37%
Marathon town18%
Cassel town14%
Stettin town14%
Rib Falls town7.7%
Emmet town3.4%
Hamburg town3.1%
Berlin town1.7%

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 29)Cory Tomczyk (R)95%
State Senator (State Senate District 23)Jesse James (R)3.1%
State Senator (State Senate District 12)Mary Felzkowski (R)1.7%
Assembly Member (Assembly District 86)John Spiros (R)95%
Assembly Member (Assembly District 69)Karen Hurd (R)3.1%
Assembly Member (Assembly District 35)Calvin Callahan (R)1.7%

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 2995%
State Senate District 233.1%
State Senate District 121.7%

State house districtShare of ZIP residents
Assembly District 8695%
Assembly District 693.1%
Assembly District 351.7%

Voting precincts

11 voting precincts overlap ZIP 54448. 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:54448")

ZIP 54448 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.