Boundary Atlas

ZIP code 53406: Mount Pleasant, WI

ZIP code 53406 is in Mount Pleasant (71% of residents), Racine (20%) and Caledonia (8.5%), in Racine County, Wisconsin. It is in Wisconsin's 1st congressional district. Its state senate districts are State Senate District 22 (77%) and State Senate District 21 (23%); its state house districts are Assembly District 66 (77%), Assembly District 62 (22%) and Assembly District 63 (0.4%).

27,078residents (2020 Census)
16.4 sq miland area
3cities and towns
1congressional district
30voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Mount Pleasant71%
Racine20%
Caledonia8.5%

CountyShare of ZIP residents
Racine County100%

Town or county subdivisionShare of ZIP residents
Mount Pleasant village71%
Racine city20%
Caledonia village8.5%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 1st congressional district (WI-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-01)Bryan Steil (R)202-225-3031100%
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 22)Bob Wirch (Democratic)262-694-737977%
State Senator (State Senate District 21)Van Wanggaard (R)23%
Assembly Member (Assembly District 66)Greta Neubauer (Democratic)77%
Assembly Member (Assembly District 62)Angelina Cruz (Democratic)22%
Assembly Member (Assembly District 63)Bob Wittke (R)0.4%

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 2277%
State Senate District 2123%

State house districtShare of ZIP residents
Assembly District 6677%
Assembly District 6222%
Assembly District 630.4%

Voting precincts

30 voting precincts overlap ZIP 53406. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:53406")

ZIP 53406 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.