Boundary Atlas

ZIP code 59448: Heart Butte, MT

ZIP code 59448 is in Heart Butte (86% of residents), in Pondera County (100%) and Glacier County (<0.1%), Montana. 14% of its residents live outside city limits. It is in Montana's 1st congressional district. Its state senate district is State Senate District 8; its state house district is State House District 15.

718residents (2020 Census)
77.2 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Heart Butte86%

CountyShare of ZIP residents
Pondera County100%
Glacier Countyland only

Town or county subdivisionShare of ZIP residents
Blackfeet Reservation West CCD100%
Blackfeet Reservation CCDland only

Congressional district

Congressional districtShare of ZIP residents
Montana's 1st congressional district (MT-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MT-01)Ryan K. Zinke (R)202-225-5628100%
U.S. SenatorSteve Daines (R)202-224-2651 · contact formstatewide
U.S. SenatorTim Sheehy (R)202-224-2644statewide
State Senator (State Senate District 8)Susan Webber (Democratic)100%
State Representative (State House District 15)Thedis Crowe (Democratic)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 8100%

State house districtShare of ZIP residents
State House District 15100%

Voting precincts

2 voting precincts overlap ZIP 59448. 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 59448 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.