ZIP code 59418: Judith Basin County, MT
ZIP code 59418 is in Judith Basin County (74%) and Fergus County (26%), Montana, outside any city or Census-designated place. It is in Montana's 2nd congressional district. Its state senate district is State Senate District 39; its state house district is State House District 78.
See it on the mapAll of Montana
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Judith Basin County | 74% |
| Fergus County | 26% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hobson CCD | 74% |
| Lewistown CCD | 26% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Montana's 2nd congressional district (MT-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MT-02) | Troy Downing (R) | 202-225-3211 | 100% |
| U.S. Senator | Steve Daines (R) | 202-224-2651 · contact form | statewide |
| U.S. Senator | Tim Sheehy (R) | 202-224-2644 | statewide |
| State Senator (State Senate District 39) | Wylie Galt (R) | 100% | |
| State Representative (State House District 78) | Randyn Gregg (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
- Judith Basin County laws: search for the Judith Basin County, Montana code of ordinances
- Fergus County website: https://fergusmt.gov/
- Fergus County laws: search for the Fergus County, Montana code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 39 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 78 | 100% |
Voting precincts
2 voting precincts overlap ZIP 59418. 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:59418")
ZIP 59418 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.