Boundary Atlas

ZIP code 59404: Great Falls, MT

ZIP code 59404 is in Great Falls (75% of residents) and Sun Prairie (5.7%), in Cascade County (100%) and Chouteau County (<0.1%), Montana. 19% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 11 (35%), State Senate District 12 (35%) and State Senate District 13 (30%); its state house districts are State House District 21 (35%), State House District 24 (35%), State House District 25 (18%) and State House District 26 (11%).

28,131residents (2020 Census)
331.4 sq miland area
4cities and towns
1congressional district
12voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Great Falls75%
Sun Prairie5.7%
Vaughn0.3%
Ulm0.3%

CountyShare of ZIP residents
Cascade County100%
Chouteau County<0.1%

Town or county subdivisionShare of ZIP residents
Great Falls CCD90%
Great Falls North CCD9.4%
Sun River Valley CCD0.3%
Fort Benton CCD<0.1%

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 11)Daniel Emrich (R)406-781-395535%
State Senator (State Senate District 12)Wendy McKamey (R)406-868-500635%
State Senator (State Senate District 13)Josh Kassmier (R)30%
State Representative (State House District 21)Ed Buttrey (R)406-452-646035%
State Representative (State House District 24)Steve Fitzpatrick (R)406-750-676435%
State Representative (State House District 25)Steve Gist (R)406-231-405018%
State Representative (State House District 26)Russ Miner (R)406-899-451411%

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 1135%
State Senate District 1235%
State Senate District 1330%

State house districtShare of ZIP residents
State House District 2135%
State House District 2435%
State House District 2518%
State House District 2611%

Voting precincts

12 voting precincts overlap ZIP 59404. 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 59404 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.