Boundary Atlas

ZIP code 59311: Carter County, MT

ZIP code 59311 is in Alzada (18% of residents), in Carter County, Montana. 82% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate district is State Senate District 17; its state house district is State House District 34.

138residents (2020 Census)
808.2 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Alzada18%

CountyShare of ZIP residents
Carter County100%

Town or county subdivisionShare of ZIP residents
Alzada-Boyes CCD100%

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 17)Bob Phalen (R)406-939-1187100%
State Representative (State House District 34)Jerry Schillinger (R)100%

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 17100%

State house districtShare of ZIP residents
State House District 34100%

Voting precincts

3 voting precincts overlap ZIP 59311. Map them, with each precinct's share of the ZIP's residents.

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ZIP 59311 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.