Boundary Atlas

ZIP code 54425: Dorchester, WI

ZIP code 54425 is in Dorchester (44% of residents), in Clark County (76%), Marathon County (19%) and Taylor County (5.1%), Wisconsin. 56% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 23; its state house district is Assembly District 69.

1,941residents (2020 Census)
41.6 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Dorchester44%

CountyShare of ZIP residents
Clark County76%
Marathon County19%
Taylor County5.1%

Town or county subdivisionShare of ZIP residents
Dorchester village44%
Mayville town32%
Holton town17%
Little Black town5.1%
Johnson town1.8%
Dorchester village0.1%

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 23)Jesse James (R)100%
Assembly Member (Assembly District 69)Karen Hurd (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 23100%

State house districtShare of ZIP residents
Assembly District 69100%

Voting precincts

7 voting precincts overlap ZIP 54425. Map them, with each precinct's share of the ZIP's residents.

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ZIP 54425 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.