ZIP code 54730: Colfax, WI
ZIP code 54730 is in Colfax (23% of residents) and Tainter Lake (23%), in Dunn County (88%) and Chippewa County (12%), Wisconsin. 54% of its residents live outside city limits. It is in Wisconsin's 3rd congressional district (99%) and Wisconsin's 7th congressional district (1.2%). Its state senate districts are State Senate District 23 (100%) and State Senate District 31 (0.4%); its state house districts are Assembly District 67 (88%), Assembly District 68 (12%) and Assembly District 92 (0.4%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Colfax | 23% |
| Tainter Lake | 23% |
| County | Share of ZIP residents |
|---|---|
| Dunn County | 88% |
| Chippewa County | 12% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tainter town | 30% |
| Colfax town | 24% |
| Colfax village | 23% |
| Howard town | 10% |
| Grant town | 7.7% |
| Otter Creek town | 2.3% |
| Cooks Valley town | 1.2% |
| Sand Creek town | 0.7% |
| Wheaton town | 0.2% |
| Elk Mound town | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 3rd congressional district (WI-03) | 99% |
| Wisconsin's 7th congressional district (WI-07) | 1.2% |
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-03) | Derrick Van Orden (R) | 202-225-5506 | 99% |
| U.S. Representative (WI-07) | Thomas P. Tiffany (R) | 202-225-3365 | 1.2% |
| 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 23) | Jesse James (R) | 100% | |
| State Senator (State Senate District 31) | Jeff Smith (Democratic) | 0.4% | |
| Assembly Member (Assembly District 67) | Dave Armstrong (R) | 88% | |
| Assembly Member (Assembly District 68) | Rob Summerfield (R) | 12% | |
| Assembly Member (Assembly District 92) | Clint Moses (R) | 0.4% |
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
- Colfax website: http://www.villageofcolfaxwi.org/
- Colfax laws: search for the Colfax, Wisconsin code of ordinances
- Tainter Lake laws: search for the Tainter Lake, Wisconsin code of ordinances
- Dunn County website: http://www.co.dunn.wi.us
- Dunn County laws: search for the Dunn County, Wisconsin code of ordinances
- Chippewa County website: https://www.co.chippewa.wi.us/
- Chippewa County laws: search for the Chippewa County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 100% |
| State Senate District 31 | 0.4% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 67 | 88% |
| Assembly District 68 | 12% |
| Assembly District 92 | 0.4% |
Voting precincts
16 voting precincts overlap ZIP 54730. 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:54730")
ZIP 54730 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.