Montana State Senate District 19

State Legislative District Profile (Upper Chamber)

Overview

District ID
mt-sd-019
State
Montana
Chamber
Upper chamber (state senate)
District Code
019
Land Area
8,896 sq mi
Water Area
34.3 sq mi

Boundary

Boundary of Montana State Senate District 19

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Fergus County3502.82 sq mi39.4%80.7%
Musselshell County1868.96 sq mi21.0%100.0%
Petroleum County1655.62 sq mi18.6%100.0%
Golden Valley County1174.42 sq mi13.2%100.0%
Yellowstone County694.03 sq mi7.8%26.4%

Showing all 5 counties

Places

PlaceOverlapShare of district landShare of place land
Klein CDP12.85 sq mi0.1%100.0%
Lewistown city5.72 sq mi0.1%100.0%
Camp Three CDP4.45 sq mi0.1%100.0%
Roy CDP3.40 sq mi<0.1%100.0%
Musselshell CDP2.55 sq mi<0.1%100.0%
Lewistown Heights CDP2.36 sq mi<0.1%100.0%
Huntley CDP1.47 sq mi<0.1%96.4%
Roundup city1.29 sq mi<0.1%100.0%
King Ranch Colony CDP1.11 sq mi<0.1%100.0%
Winnett town1.02 sq mi<0.1%100.0%
Lavina town1.01 sq mi<0.1%100.0%
Ryegate town0.75 sq mi<0.1%100.0%
Spring Creek Colony CDP0.70 sq mi<0.1%100.0%
Melstone town0.61 sq mi<0.1%100.0%
Deerfield Colony CDP0.57 sq mi<0.1%100.0%
Winifred town0.52 sq mi<0.1%100.0%
Ayers Ranch Colony CDP0.44 sq mi<0.1%100.0%
Warm Spring Creek CDP0.42 sq mi<0.1%100.0%
Mountain View Colony CDP0.28 sq mi<0.1%100.0%
Hilger CDP0.28 sq mi<0.1%100.0%
Broadview town0.26 sq mi<0.1%100.0%
Acton CDP0.24 sq mi<0.1%99.8%
Golden Valley Colony CDP0.21 sq mi<0.1%99.8%
Fords Creek Colony CDP0.17 sq mi<0.1%100.0%
Grass Range town0.14 sq mi<0.1%99.9%

Showing top 25 of 28 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MT District 221,786100.0%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
16,009
Active Voters
14,236 (88.9%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202413,282 (83.0%)0 (0.0%)0 (0.0%)
2021–202212,192 (76.2%)0 (0.0%)0 (0.0%)
2019–202012,383 (77.4%)0 (0.0%)0 (0.0%)
2017–201810,508 (65.6%)0 (0.0%)0 (0.0%)
2015–20169,611 (60.0%)0 (0.0%)0 (0.0%)
2013–20148,021 (50.1%)0 (0.0%)0 (0.0%)
2011–20127,987 (49.9%)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
22,890 (± 831)
Median Age
45.1
Median Household Income
$67,158 (± $4,512)
High School Graduate or Higher (age 25+)
94.2%
Bachelor's Degree or Higher (age 25+)
24.2%

Population by Age

GroupPeopleShare
Under 184,85521.2%
18 to 6412,85556.2%
65 and over5,18022.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)6893.0%
White, not Hispanic20,73790.6%
Black, not Hispanic720.3%
Asian, not Hispanic1380.6%
American Indian / Alaska Native, not Hispanic4782.1%
Native Hawaiian / Pacific Islander, not Hispanic10.0%
Some other race, not Hispanic1380.6%
Two or more races, not Hispanic6372.8%

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
22,780
Citizen Voting Age Population (CVAP)
17,925

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic22,12497.1%
Hispanic6522.9%
White20,92891.9%
Black710.3%
Asian1380.6%
American Indian / Alaska Native4782.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races360.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic17,47697.5%
Hispanic4512.5%
White16,65492.9%
Black980.5%
Asian1200.7%
American Indian / Alaska Native5803.2%
Native Hawaiian / Pacific Islander20.0%
Two or More Races110.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).