ZIP code 54110: Brillion, WI
ZIP code 54110 is in Brillion (59% of residents) and Forest Junction (9.0%), in Calumet County (89%), Manitowoc County (10.0%) and Brown County (0.6%), Wisconsin. 32% of its residents live outside city limits. It is in Wisconsin's 8th congressional district (90%) and Wisconsin's 6th congressional district (10.0%). Its state senate district is State Senate District 1; its state house districts are Assembly District 3 (94%) and Assembly District 2 (5.9%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Brillion | 59% |
| Forest Junction | 9.0% |
| County | Share of ZIP residents |
|---|---|
| Calumet County | 89% |
| Manitowoc County | 10.0% |
| Brown County | 0.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brillion city | 59% |
| Brillion town | 25% |
| Maple Grove town | 5.3% |
| Rockland town | 4.7% |
| Rantoul town | 3.8% |
| Woodville town | 2.1% |
| Holland town | 0.6% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 8th congressional district (WI-08) | 90% |
| Wisconsin's 6th congressional district (WI-06) | 10.0% |
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-08) | Tony Wied (R) | 202-225-5665 | 90% |
| U.S. Representative (WI-06) | Glenn Grothman (R) | 202-225-2476 | 10.0% |
| 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 1) | André Jacque (R) | 100% | |
| Assembly Member (Assembly District 3) | Ron Tusler (R) | 94% | |
| Assembly Member (Assembly District 2) | Shae Sortwell (R) | 5.9% |
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
- Brillion website: http://www.ci.brillion.wi.us/
- Brillion laws: search for the Brillion, Wisconsin code of ordinances
- Forest Junction laws: search for the Forest Junction, Wisconsin code of ordinances
- Calumet County website: http://www.co.calumet.wi.us
- Calumet County laws: search for the Calumet County, Wisconsin code of ordinances
- Manitowoc County laws: search for the Manitowoc County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 3 | 94% |
| Assembly District 2 | 5.9% |
Voting precincts
12 voting precincts overlap ZIP 54110. 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:54110")
ZIP 54110 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.