Boundary Atlas

ZIP code 53150: Muskego, WI

ZIP code 53150 is in Muskego (97% of residents), in Waukesha County (98%) and Racine County (1.5%), Wisconsin. It is in Wisconsin's 5th congressional district (98%) and Wisconsin's 1st congressional district (1.5%). Its state senate district is State Senate District 28; its state house districts are Assembly District 84 (79%) and Assembly District 83 (21%).

25,804residents (2020 Census)
34.2 sq miland area
4cities and towns
2congressional districts
25voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Muskego97%
New Berlin0.8%
Vernon0.7%
Wind Lake0.4%

CountyShare of ZIP residents
Waukesha County98%
Racine County1.5%

Town or county subdivisionShare of ZIP residents
Muskego city97%
Norway town1.5%
New Berlin city0.8%
Vernon village0.7%

Congressional districts

Congressional districtShare of ZIP residents
Wisconsin's 5th congressional district (WI-05)98%
Wisconsin's 1st congressional district (WI-01)1.5%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-05)Scott Fitzgerald (R)202-225-510198%
U.S. Representative (WI-01)Bryan Steil (R)202-225-30311.5%
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 28)Julian Bradley (R)100%
Assembly Member (Assembly District 84)Chuck Wichgers (R)79%
Assembly Member (Assembly District 83)Dave Maxey (R)21%

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 28100%

State house districtShare of ZIP residents
Assembly District 8479%
Assembly District 8321%

Voting precincts

25 voting precincts overlap ZIP 53150. Map them, with each precinct's share of the ZIP's residents.

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ZIP 53150 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.