Boundary Atlas

ZIP code 59520: Big Sandy, MT

ZIP code 59520 is in Big Sandy (55% of residents), in Chouteau County (99%), Blaine County (0.7%) and Hill County (<0.1%), Montana. 45% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 13 (98%) and State Senate District 16 (1.6%); its state house districts are State House District 26 (98%) and State House District 32 (1.6%).

1,102residents (2020 Census)
1,120.4 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
Big Sandy55%

CountyShare of ZIP residents
Chouteau County99%
Blaine County0.7%
Hill Countyland only

Town or county subdivisionShare of ZIP residents
Big Sandy CCD99%
Chinook CCD0.7%
Gildford 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 13)Josh Kassmier (R)98%
State Senator (State Senate District 16)Jonathan Windy Boy (Democratic)1.6%
State Senator (State Senate District 14)Russel Tempel (R)<0.1%
State Representative (State House District 26)Russ Miner (R)406-899-451498%
State Representative (State House District 32)Mike Fox (Democratic)1.6%
State Representative (State House District 28)Eric Albus (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 1398%
State Senate District 161.6%
State Senate District 14land only

State house districtShare of ZIP residents
State House District 2698%
State House District 321.6%
State House District 28land only

Voting precincts

5 voting precincts overlap ZIP 59520. Map them, with each precinct's share of the ZIP's residents.

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ZIP 59520 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.