Boundary Atlas

ZIP code 53033: Richfield, WI

ZIP code 53033 is in Richfield (97% of residents), in Washington County, Wisconsin. It is in Wisconsin's 5th congressional district. Its state senate district is State Senate District 33; its state house district is Assembly District 98.

5,502residents (2020 Census)
16.0 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
Richfield97%

CountyShare of ZIP residents
Washington County100%

Town or county subdivisionShare of ZIP residents
Richfield village97%
Erin town2.7%

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)100%
Assembly Member (Assembly District 98)Jim Piwowarczyk (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 33100%

State house districtShare of ZIP residents
Assembly District 98100%

Voting precincts

9 voting precincts overlap ZIP 53033. Map them, with each precinct's share of the ZIP's residents.

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ZIP 53033 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.