Boundary Atlas

ZIP code 53058: Nashotah, WI

ZIP code 53058 is in Nashotah (39% of residents), Delafield (20%), Okauchee Lake (7.7%) and Chenequa (5.6%), in Waukesha County, Wisconsin. 28% of its residents live outside city limits. It is in Wisconsin's 5th congressional district. Its state senate district is State Senate District 33; its state house districts are Assembly District 99 (80%) and Assembly District 97 (20%).

3,340residents (2020 Census)
5.6 sq miland area
4cities and towns
1congressional district
11voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Nashotah39%
Delafield20%
Okauchee Lake7.7%
Chenequa5.6%

CountyShare of ZIP residents
Waukesha County100%

Town or county subdivisionShare of ZIP residents
Nashotah village39%
Merton town29%
Delafield city20%
Oconomowoc town5.7%
Chenequa village5.6%

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 99)Barbara Dittrich (R)80%
Assembly Member (Assembly District 97)Cindi Duchow (R)20%

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 9980%
Assembly District 9720%

Voting precincts

11 voting precincts overlap ZIP 53058. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:53058")

ZIP 53058 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.