ZIP code 54304: Green Bay, WI
ZIP code 54304 is in Green Bay (72% of residents) and Ashwaubenon (28%), in Brown County, Wisconsin. It is in Wisconsin's 8th congressional district. Its state senate district is State Senate District 30; its state house district is Assembly District 89.
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Green Bay | 72% |
| Ashwaubenon | 28% |
| County | Share of ZIP residents |
|---|---|
| Brown County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Green Bay city | 72% |
| Ashwaubenon village | 28% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 8th congressional district (WI-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Eric Genrich | 72% | |
| U.S. Representative (WI-08) | Tony Wied (R) | 202-225-5665 | 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 30) | Jamie Wall (Democratic) | 100% | |
| Assembly Member (Assembly District 89) | Ryan Spaude (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
- Green Bay laws: search for the Green Bay, Wisconsin code of ordinances
- Ashwaubenon laws: search for the Ashwaubenon, Wisconsin code of ordinances
- Brown County website: http://www.co.brown.wi.us
- Brown County laws: search for the Brown County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 30 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 89 | 100% |
Voting precincts
21 voting precincts overlap ZIP 54304. 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:54304")
ZIP 54304 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.