Boundary Atlas

ZIP code 59255: Poplar, MT

ZIP code 59255 is in Poplar (22% of residents), in Roosevelt County (99%), Richland County (1.1%) and McCone County (<0.1%), Montana. 78% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 16 (95%) and State Senate District 15 (4.8%); its state house districts are State House District 31 (95%), State House District 29 (3.6%) and State House District 30 (1.1%).

3,476residents (2020 Census)
688.8 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Poplar22%

CountyShare of ZIP residents
Roosevelt County99%
Richland County1.1%
McCone Countyland only

Town or county subdivisionShare of ZIP residents
Fort Peck Reservation CCD99%
Fairview CCD1.1%
North McCone CCDland only

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 16)Jonathan Windy Boy (Democratic)95%
State Senator (State Senate District 15)Gregg Hunter (R)4.8%
State Senator (State Senate District 17)Bob Phalen (R)406-939-1187<0.1%
State Representative (State House District 31)Frank J. Smith (Democratic)95%
State Representative (State House District 29)Valerie Moore (R)406-385-79833.6%
State Representative (State House District 30)Morgan Thiel (R)406-480-62711.1%
State Representative (State House District 34)Jerry Schillinger (R)<0.1%

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 1695%
State Senate District 154.8%
State Senate District 17land only

State house districtShare of ZIP residents
State House District 3195%
State House District 293.6%
State House District 301.1%
State House District 34land only

Voting precincts

5 voting precincts overlap ZIP 59255. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 59255 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.