ZIP code 54901: Oshkosh, WI
ZIP code 54901 is in Oshkosh (96% of residents), in Winnebago County, Wisconsin. It is in Wisconsin's 6th congressional district. Its state senate district is State Senate District 18; its state house district is Assembly District 54.
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Oshkosh | 96% |
| County | Share of ZIP residents |
|---|---|
| Winnebago County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Oshkosh city | 96% |
| Oshkosh town | 3.3% |
| Vinland town | 0.7% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 6th congressional district (WI-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Matt Mugerauer | 96% | |
| U.S. Representative (WI-06) | Glenn Grothman (R) | 202-225-2476 | 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 18) | Kristin Dassler-Alfheim (Democratic) | 100% | |
| Assembly Member (Assembly District 54) | Lori Palmeri (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
- Oshkosh laws: search for the Oshkosh, Wisconsin code of ordinances
- Winnebago County website: http://www.co.winnebago.wi.us
- Winnebago County laws: search for the Winnebago County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 54 | 100% |
Voting precincts
15 voting precincts overlap ZIP 54901. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:54901")
ZIP 54901 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.