Boundary Atlas

ZIP code 53078: Rubicon, WI

ZIP code 53078 is in Rubicon (13% of residents), in Dodge County, Wisconsin. 87% of its residents live outside city limits. It is in Wisconsin's 5th congressional district. Its state senate districts are State Senate District 33 (96%) and State Senate District 13 (4.2%); its state house districts are Assembly District 99 (96%) and Assembly District 38 (4.2%).

1,858residents (2020 Census)
33.5 sq miland area
2cities and towns
1congressional district
8voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Rubicon13%
Hartford0.5%

CountyShare of ZIP residents
Dodge County100%

Town or county subdivisionShare of ZIP residents
Rubicon town74%
Ashippun town21%
Herman town4.2%
Hartford city0.5%

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 33)Chris Kapenga (R)96%
State Senator (State Senate District 13)John Jagler (R)4.2%
Assembly Member (Assembly District 99)Barbara Dittrich (R)96%
Assembly Member (Assembly District 38)Will Penterman (R)4.2%

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 3396%
State Senate District 134.2%

State house districtShare of ZIP residents
Assembly District 9996%
Assembly District 384.2%

Voting precincts

8 voting precincts overlap ZIP 53078. Map them, with each precinct's share of the ZIP's residents.

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ZIP 53078 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.