Boundary Atlas

ZIP code 53038: Johnson Creek, WI

ZIP code 53038 is in Johnson Creek (71% of residents), in Jefferson County, Wisconsin. 29% of its residents live outside city limits. It is in Wisconsin's 5th congressional district. Its state senate districts are State Senate District 13 (100%) and State Senate District 16 (0.2%); its state house districts are Assembly District 38 (100%) and Assembly District 46 (0.2%).

4,372residents (2020 Census)
30.9 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Johnson Creek71%

CountyShare of ZIP residents
Jefferson County100%

Town or county subdivisionShare of ZIP residents
Johnson Creek village71%
Milford town11%
Aztalan town9.6%
Farmington town8.8%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 5th congressional district (WI-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-05)Scott Fitzgerald (R)202-225-5101100%
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 13)John Jagler (R)100%
State Senator (State Senate District 16)Melissa Ratcliff (Democratic)0.2%
Assembly Member (Assembly District 38)Will Penterman (R)100%
Assembly Member (Assembly District 46)Joan Fitzgerald (Democratic)0.2%

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 13100%
State Senate District 160.2%

State house districtShare of ZIP residents
Assembly District 38100%
Assembly District 460.2%

Voting precincts

9 voting precincts overlap ZIP 53038. Map them, with each precinct's share of the ZIP's residents.

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ZIP 53038 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.