ZIP code 53149: Mukwonago, WI
ZIP code 53149 is in Mukwonago (42% of residents) and Vernon (11%), in Waukesha County (94%), Walworth County (4.3%) and Racine County (1.4%), Wisconsin. 47% of its residents live outside city limits. It is in Wisconsin's 5th congressional district (99%) and Wisconsin's 1st congressional district (1.4%). Its state senate districts are State Senate District 28 (65%), State Senate District 33 (31%) and State Senate District 11 (3.3%); its state house districts are Assembly District 84 (65%), Assembly District 97 (31%) and Assembly District 33 (3.3%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mukwonago | 42% |
| Vernon | 11% |
| North Prairie | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Waukesha County | 94% |
| Walworth County | 4.3% |
| Racine County | 1.4% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Mukwonago village | 41% |
| Mukwonago town | 39% |
| Vernon village | 11% |
| East Troy town | 3.3% |
| Genesee town | 2.5% |
| Waterford town | 1.4% |
| Eagle town | 1.3% |
| Mukwonago village | 1.1% |
| North Prairie village | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 5th congressional district (WI-05) | 99% |
| Wisconsin's 1st congressional district (WI-01) | 1.4% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-05) | Scott Fitzgerald (R) | 202-225-5101 | 99% |
| U.S. Representative (WI-01) | Bryan Steil (R) | 202-225-3031 | 1.4% |
| U.S. Senator | Ron Johnson (R) | 202-224-5323 · contact form | statewide |
| U.S. Senator | Tammy Baldwin (D) | 202-224-5653 · contact form | statewide |
| State Senator (State Senate District 28) | Julian Bradley (R) | 65% | |
| State Senator (State Senate District 33) | Chris Kapenga (R) | 31% | |
| State Senator (State Senate District 11) | Steve Nass (R) | 3.3% | |
| Assembly Member (Assembly District 84) | Chuck Wichgers (R) | 65% | |
| Assembly Member (Assembly District 97) | Cindi Duchow (R) | 31% | |
| Assembly Member (Assembly District 33) | Robin Vos (R) | 3.3% |
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
- Mukwonago website: http://www.townofmukwonago.us
- Mukwonago laws: search for the Mukwonago, Wisconsin code of ordinances
- Vernon laws: search for the Vernon, Wisconsin code of ordinances
- Waukesha County website: http://www.waukeshacounty.gov
- Waukesha County laws: search for the Waukesha County, Wisconsin code of ordinances
- Walworth County website: http://www.co.walworth.wi.us
- Walworth County laws: search for the Walworth County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 28 | 65% |
| State Senate District 33 | 31% |
| State Senate District 11 | 3.3% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 84 | 65% |
| Assembly District 97 | 31% |
| Assembly District 33 | 3.3% |
Voting precincts
39 voting precincts overlap ZIP 53149. 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:53149")
ZIP 53149 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.