Overview
- District ID
- mt-hd-015
- State
- Montana
- Chamber
- Lower chamber
- District Code
- 015
- Land Area
- 2,407.8 sq mi
- Water Area
- 36.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing all 6 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| MT District 1 | 10,838 | 100.0% | 2.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 5,868
- Active Voters
- 4,520 (77.0%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 3,939 (67.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 3,655 (62.3%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 4,384 (74.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 3,396 (57.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 2,887 (49.2%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 1,967 (33.5%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 2,267 (38.6%) | 0 (0.0%) | 0 (0.0%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 09/10/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 10,592 (± 719)
- Median Age
- 33.8
- Median Household Income
- $48,972 (± $6,214)
- High School Graduate or Higher (age 25+)
- 87.4%
- Bachelor's Degree or Higher (age 25+)
- 19.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 3,121 | 29.5% |
| 18 to 64 | 5,816 | 54.9% |
| 65 and over | 1,655 | 15.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 409 | 3.9% |
| White, not Hispanic | 3,641 | 34.4% |
| Black, not Hispanic | 20 | 0.2% |
| Asian, not Hispanic | 36 | 0.3% |
| American Indian / Alaska Native, not Hispanic | 5,655 | 53.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 9 | 0.1% |
| Some other race, not Hispanic | 13 | 0.1% |
| Two or more races, not Hispanic | 809 | 7.6% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 10,508
- Citizen Voting Age Population (CVAP)
- 7,388
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 10,099 | 96.1% |
| Hispanic | 408 | 3.9% |
| White | 3,599 | 34.3% |
| Black | 22 | 0.2% |
| Asian | 35 | 0.3% |
| American Indian / Alaska Native | 5,661 | 53.9% |
| Native Hawaiian / Pacific Islander | 6 | 0.1% |
| Two or More Races | 60 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 7,240 | 98.0% |
| Hispanic | 149 | 2.0% |
| White | 2,970 | 40.2% |
| Black | 34 | 0.5% |
| Asian | 40 | 0.5% |
| American Indian / Alaska Native | 4,196 | 56.8% |
| Native Hawaiian / Pacific Islander | 8 | 0.1% |
| Two or More Races | 5 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
