Boundary Atlas

ZIP code 59010: Treasure County, MT

ZIP code 59010 is in Treasure County (59%) and Big Horn County (41%), Montana, outside any city or Census-designated place. It is in Montana's 2nd congressional district. Its state senate district is State Senate District 18; its state house district is State House District 35.

148residents (2020 Census)
360.3 sq miland area
0cities and towns
1congressional district
2voting precincts

See it on the mapAll of Montana

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Treasure County59%
Big Horn County41%

Town or county subdivisionShare of ZIP residents
South Treasure CCD45%
Hardin CCD41%
North Treasure CCD14%

Congressional district

Congressional districtShare of ZIP residents
Montana's 2nd congressional district (MT-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 18100%

State house districtShare of ZIP residents
State House District 35100%

Voting precincts

2 voting precincts overlap ZIP 59010. 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:59010")

ZIP 59010 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.