ZIP code 54650: Onalaska, WI
ZIP code 54650 is in Onalaska (77% of residents), Brice Prairie (8.0%) and Holmen (2.5%), in La Crosse County, Wisconsin. 13% of its residents live outside city limits. It is in Wisconsin's 3rd congressional district. Its state senate district is State Senate District 32; its state house district is Assembly District 94.
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Onalaska | 77% |
| Brice Prairie | 8.0% |
| Holmen | 2.5% |
| County | Share of ZIP residents |
|---|---|
| La Crosse County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Onalaska city | 77% |
| Onalaska town | 19% |
| Holmen village | 2.5% |
| Medary town | 1.7% |
| Hamilton town | <0.1% |
| La Crosse city | <0.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 3rd congressional district (WI-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Kim Smith | 77% | |
| U.S. Representative (WI-03) | Derrick Van Orden (R) | 202-225-5506 | 100% |
| 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 32) | Brad Pfaff (Democratic) | 100% | |
| Assembly Member (Assembly District 94) | Steve Doyle (Democratic) | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Onalaska website: http://www.cityofonalaska.com/
- Onalaska laws: search for the Onalaska, Wisconsin code of ordinances
- Brice Prairie laws: search for the Brice Prairie, Wisconsin code of ordinances
- Holmen website: https://holmenwi.gov
- Holmen laws: search for the Holmen, Wisconsin code of ordinances
- La Crosse County website: http://www.co.la-crosse.wi.us
- La Crosse County laws: search for the La Crosse County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 32 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 94 | 100% |
Voting precincts
29 voting precincts overlap ZIP 54650. 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:
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ZIP 54650 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.