Boundary Atlas

ZIP code 59521: Rocky Boy West, MT

ZIP code 59521 is in Rocky Boy West (27% of residents), Rocky Boy's Agency (11%), Parker School (10%), Boneau (9.6%), St. Pierre (9.5%), Sangrey (8.3%), Azure (8.2%) and Box Elder (2.2%), in Hill County (64%) and Chouteau County (36%), Montana. 14% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 16 (99%) and State Senate District 14 (0.9%); its state house districts are State House District 32 (99%) and State House District 28 (0.9%).

3,820residents (2020 Census)
283.6 sq miland area
8cities and towns
1congressional district
6voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Rocky Boy West27%
Rocky Boy's Agency11%
Parker School10%
Boneau9.6%
St. Pierre9.5%
Sangrey8.3%
Azure8.2%
Box Elder2.2%

CountyShare of ZIP residents
Hill County64%
Chouteau County36%

Town or county subdivisionShare of ZIP residents
Rocky Boy's CCD63%
Big Sandy CCD36%
Gildford CCD0.9%

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)99%
State Senator (State Senate District 14)Russel Tempel (R)0.9%
State Representative (State House District 32)Mike Fox (Democratic)99%
State Representative (State House District 28)Eric Albus (R)0.9%

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 1699%
State Senate District 140.9%

State house districtShare of ZIP residents
State House District 3299%
State House District 280.9%

Voting precincts

6 voting precincts overlap ZIP 59521. Map them, with each precinct's share of the ZIP's residents.

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ZIP 59521 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.