ZIP code 54930: Coloma, WI
ZIP code 54930 is in Coloma (24% of residents), in Waushara County (87%), Adams County (12%) and Marquette County (1.0%), Wisconsin. 76% of its residents live outside city limits. It is in Wisconsin's 6th congressional district (88%) and Wisconsin's 3rd congressional district (12%). Its state senate districts are State Senate District 19 (95%) and State Senate District 13 (5.1%); its state house districts are Assembly District 57 (95%) and Assembly District 39 (5.1%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Coloma | 24% |
| County | Share of ZIP residents |
|---|---|
| Waushara County | 87% |
| Adams County | 12% |
| Marquette County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Coloma town | 37% |
| Richford town | 26% |
| Coloma village | 24% |
| Richfield town | 5.1% |
| Lincoln town | 4.1% |
| Colburn town | 2.4% |
| Newton town | 0.8% |
| Hancock town | 0.4% |
| Springfield town | 0.2% |
| Big Flats town | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 6th congressional district (WI-06) | 88% |
| Wisconsin's 3rd congressional district (WI-03) | 12% |
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-06) | Glenn Grothman (R) | 202-225-2476 | 88% |
| U.S. Representative (WI-03) | Derrick Van Orden (R) | 202-225-5506 | 12% |
| 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 19) | Rachael Cabral-Guevara (R) | 95% | |
| State Senator (State Senate District 13) | John Jagler (R) | 5.1% | |
| State Senator (State Senate District 24) | Patrick Testin (R) | <0.1% | |
| Assembly Member (Assembly District 57) | Kevin Petersen (R) | 95% | |
| Assembly Member (Assembly District 39) | Alex Dallman (R) | 5.1% | |
| Assembly Member (Assembly District 72) | Scott Krug (R) | <0.1% |
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
- Coloma website: http://visitcoloma.com/
- Coloma laws: search for the Coloma, Wisconsin code of ordinances
- Waushara County laws: search for the Waushara County, Wisconsin code of ordinances
- Adams County website: https://www.co.adams.wi.us/
- Adams County laws: search for the Adams County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 95% |
| State Senate District 13 | 5.1% |
| State Senate District 24 | land only |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 57 | 95% |
| Assembly District 39 | 5.1% |
| Assembly District 72 | land only |
Voting precincts
11 voting precincts overlap ZIP 54930. 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:54930")
ZIP 54930 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.