Overview
- District ID
- mt-sd-001
- State
- Montana
- Chamber
- Upper chamber (state senate)
- District Code
- 001
- Land Area
- 4,140.4 sq mi
- Water Area
- 75.8 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 18 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 | 21,710 | 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
- 16,174
- Active Voters
- 14,748 (91.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 13,472 (83.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 10,468 (64.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 11,410 (70.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 9,049 (55.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 8,075 (49.9%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 6,118 (37.8%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 6,450 (39.9%) | 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
- 23,178 (± 346)
- Median Age
- 52.4
- Median Household Income
- $48,803 (± $5,844)
- High School Graduate or Higher (age 25+)
- 90.8%
- Bachelor's Degree or Higher (age 25+)
- 19.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 4,248 | 18.3% |
| 18 to 64 | 12,046 | 52.0% |
| 65 and over | 6,884 | 29.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 667 | 2.9% |
| White, not Hispanic | 20,895 | 90.2% |
| Black, not Hispanic | 13 | 0.1% |
| Asian, not Hispanic | 77 | 0.3% |
| American Indian / Alaska Native, not Hispanic | 259 | 1.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 28 | 0.1% |
| Some other race, not Hispanic | 52 | 0.2% |
| Two or more races, not Hispanic | 1,187 | 5.1% |
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
- 22,828
- Citizen Voting Age Population (CVAP)
- 18,577
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 22,304 | 97.7% |
| Hispanic | 523 | 2.3% |
| White | 21,258 | 93.1% |
| Black | 11 | 0.0% |
| Asian | 62 | 0.3% |
| American Indian / Alaska Native | 262 | 1.1% |
| Native Hawaiian / Pacific Islander | 27 | 0.1% |
| Two or More Races | 32 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 18,251 | 98.2% |
| Hispanic | 328 | 1.8% |
| White | 17,483 | 94.1% |
| Black | 40 | 0.2% |
| Asian | 96 | 0.5% |
| American Indian / Alaska Native | 584 | 3.1% |
| Native Hawaiian / Pacific Islander | 29 | 0.2% |
| Two or More Races | 25 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
