ZIP code 54442: Birch, WI
ZIP code 54442 is in Lincoln County, Wisconsin, outside any city or Census-designated place. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 12; its state house district is Assembly District 35.
See it on the mapAll of Wisconsin
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Lincoln County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Birch town | 37% |
| Skanawan town | 29% |
| Rock Falls town | 27% |
| Merrill town | 3.8% |
| Bradley town | 3.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 7th congressional district (WI-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-07) | Thomas P. Tiffany (R) | 202-225-3365 | 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 12) | Mary Felzkowski (R) | 100% | |
| Assembly Member (Assembly District 35) | Calvin Callahan (R) | 100% |
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
- Lincoln County website: http://www.co.lincoln.wi.us
- Lincoln County laws: search for the Lincoln County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 12 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 35 | 100% |
Voting precincts
6 voting precincts overlap ZIP 54442. 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:54442")
ZIP 54442 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.