Boundary Atlas

Montana's 2nd congressional district (MT-02)

Montana's 2nd congressional district (MT-02) covers parts or all of 41 counties, including Big Horn County, Blaine County, Broadwater County, Carbon County, Carter County and Cascade County, and 255 ZIP codes (238 wholly inside it). Its 2020 population was 542,113. This is the map in force for the November 3, 2026 election.

542,113residents (2020 Census)
41counties
255ZIP codes
383voting precincts

Who represents MT-02

OfficeMemberContact
U.S. Representative (MT-02)Troy Downing (R)202-225-3211
U.S. SenatorSteve Daines (R)202-224-2651 · contact form
U.S. SenatorTim Sheehy (R)202-224-2644

Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in MT-02
Big Horn County100%
Blaine County100%
Broadwater County100%
Carbon County100%
Carter County100%
Cascade County100%
Chouteau County100%
Custer County100%
Daniels County100%
Dawson County100%
Fallon County100%
Fergus County100%
Garfield County100%
Golden Valley County100%
Hill County100%
Jefferson County100%
Judith Basin County100%
Lewis and Clark County100%
Liberty County100%
McCone County100%
Meagher County100%
Musselshell County100%
Park County100%
Petroleum County100%
Phillips County100%
Powder River County100%
Prairie County100%
Richland County100%
Roosevelt County100%
Rosebud County100%
Sheridan County100%
Stillwater County100%
Sweet Grass County100%
Teton County100%
Toole County100%
Treasure County100%
Valley County100%
Wheatland County100%
Wibaux County100%
Yellowstone County100%
Pondera County60%

ZIP codes

Percentages mark ZIPs only partly in MT-02: the share of that ZIP's residents inside it.

Towns

Absarokee CCD, Alzada-Boyes CCD, Ashland CCD, Augusta CCD, Baker CCD, Belt CCD, Big Sandy CCD, Billings CCD, Boulder CCD, Broadus CCD, Cascade CCD, Chester CCD, Chinook CCD, Choteau CCD, Circle CCD, Columbus CCD, Conrad CCD, Crow Reservation CCD, Decker CCD, Denton CCD, Dutton-Power CCD, East Carbon CCD, East Powder River CCD, East Roosevelt CCD, Eden-Stockett CCD, Ekalaka CCD, Fairfield CCD, Fairview CCD, Forsyth CCD, Fort Belknap CCD, Fort Belknap Reservation CCD, Fort Benton CCD, Fort Peck Reservation CCD, Fort Peck Reservation CCD, Fort Peck Reservation CCD, Fort Peck Reservation CCD, Fromberg-Bridger CCD, Gardiner-Cooke City CCD, Geraldine CCD and Geyser CCD and others.

Get this in your AI agent

Your agent can draw every precinct in MT-02, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:3002", children_level="precinct", include_districts=True)