Boundary Atlas

ZIP code 54020: Osceola, WI

ZIP code 54020 is in Osceola (37% of residents), in Polk County (99%) and St. Croix County (0.9%), 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 25 (99%) and State Senate District 10 (0.9%); its state house districts are Assembly District 75 (99%) and Assembly District 28 (0.9%).

7,463residents (2020 Census)
73.7 sq miland area
1cities and towns
1congressional district
17voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Osceola37%

CountyShare of ZIP residents
Polk County99%
St. Croix County0.9%

Town or county subdivisionShare of ZIP residents
Osceola village37%
Osceola town25%
Farmington town24%
Alden town10%
Garfield town2.5%
Somerset town0.9%

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 25)Romaine Quinn (R)99%
State Senator (State Senate District 10)Rob Stafsholt (R)0.9%
Assembly Member (Assembly District 75)Duke Tucker (R)99%
Assembly Member (Assembly District 28)Rob Kreibich (R)0.9%

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 2599%
State Senate District 100.9%

State house districtShare of ZIP residents
Assembly District 7599%
Assembly District 280.9%

Voting precincts

17 voting precincts overlap ZIP 54020. Map them, with each precinct's share of the ZIP's residents.

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ZIP 54020 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.