Boundary Atlas

ZIP code 59218: Culbertson, MT

ZIP code 59218 is in Culbertson (67% of residents), in Roosevelt County (93%) and Richland County (7.1%), Montana. 33% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 15 (98%) and State Senate District 16 (1.7%); its state house districts are State House District 30 (82%), State House District 29 (17%) and State House District 31 (1.7%).

1,127residents (2020 Census)
391.1 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Culbertson67%

CountyShare of ZIP residents
Roosevelt County93%
Richland County7.1%

Town or county subdivisionShare of ZIP residents
East Roosevelt CCD91%
Fairview CCD7.1%
Fort Peck Reservation CCD1.7%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MT-02)Troy Downing (R)202-225-3211100%
U.S. SenatorSteve Daines (R)202-224-2651 · contact formstatewide
U.S. SenatorTim Sheehy (R)202-224-2644statewide
State Senator (State Senate District 15)Gregg Hunter (R)98%
State Senator (State Senate District 16)Jonathan Windy Boy (Democratic)1.7%
State Representative (State House District 30)Morgan Thiel (R)406-480-627182%
State Representative (State House District 29)Valerie Moore (R)406-385-798317%
State Representative (State House District 31)Frank J. Smith (Democratic)1.7%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1598%
State Senate District 161.7%

State house districtShare of ZIP residents
State House District 3082%
State House District 2917%
State House District 311.7%

Voting precincts

7 voting precincts overlap ZIP 59218. 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:59218")

ZIP 59218 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.