ZIP code 54978: Seneca, WI
ZIP code 54978 is in Shawano County, Wisconsin, outside any city or Census-designated place. It is in Wisconsin's 8th congressional district. Its state senate district is State Senate District 2; its state house district is Assembly District 6.
See it on the mapAll of Wisconsin
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Shawano County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Seneca town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 8th congressional district (WI-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| 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 2) | Eric Wimberger (R) | 100% | |
| Assembly Member (Assembly District 6) | Elijah Behnke (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
- Shawano County website: http://www.co.shawano.wi.us
- Shawano County laws: search for the Shawano County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 2 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 6 | 100% |
Voting precincts
1 voting precinct overlap ZIP 54978. 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:54978")
ZIP 54978 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.