Overview
- District ID
- mt-sd-015
- State
- Montana
- Chamber
- Upper chamber (state senate)
- District Code
- 015
- Land Area
- 7,592.5 sq mi
- Water Area
- 46 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing all 19 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 2 | 21,799 | 100.0% | 4.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 14,937
- Active Voters
- 12,420 (83.1%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 11,291 (75.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 10,307 (69.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 11,820 (79.1%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 9,509 (63.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 8,862 (59.3%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 7,183 (48.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 7,014 (47.0%) | 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
- 21,708 (± 472)
- Median Age
- 40.2
- Median Household Income
- $74,172 (± $5,848)
- High School Graduate or Higher (age 25+)
- 94.8%
- Bachelor's Degree or Higher (age 25+)
- 25.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 5,376 | 24.8% |
| 18 to 64 | 12,033 | 55.4% |
| 65 and over | 4,299 | 19.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 955 | 4.4% |
| White, not Hispanic | 18,710 | 86.2% |
| Black, not Hispanic | 68 | 0.3% |
| Asian, not Hispanic | 78 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 555 | 2.6% |
| Native Hawaiian / Pacific Islander, not Hispanic | 66 | 0.3% |
| Some other race, not Hispanic | 65 | 0.3% |
| Two or more races, not Hispanic | 1,211 | 5.6% |
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
- 21,442
- Citizen Voting Age Population (CVAP)
- 16,085
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 20,628 | 96.2% |
| Hispanic | 818 | 3.8% |
| White | 18,823 | 87.8% |
| Black | 64 | 0.3% |
| Asian | 55 | 0.3% |
| American Indian / Alaska Native | 557 | 2.6% |
| Native Hawaiian / Pacific Islander | 69 | 0.3% |
| Two or More Races | 165 | 0.8% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 15,584 | 96.9% |
| Hispanic | 496 | 3.1% |
| White | 14,561 | 90.5% |
| Black | 104 | 0.6% |
| Asian | 105 | 0.7% |
| American Indian / Alaska Native | 631 | 3.9% |
| Native Hawaiian / Pacific Islander | 61 | 0.4% |
| Two or More Races | 134 | 0.8% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
