Montana State House District 78

State Legislative District Profile (Lower Chamber)

Overview

District ID
mt-hd-078
State
Montana
Chamber
Lower chamber
District Code
078
Land Area
7,666.3 sq mi
Water Area
10.5 sq mi

Boundary

Boundary of Montana State House District 78

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Meagher County2391.87 sq mi31.2%100.0%
Judith Basin County1869.69 sq mi24.4%100.0%
Wheatland County1422.48 sq mi18.6%100.0%
Fergus County836.51 sq mi10.9%19.3%
Cascade County663.21 sq mi8.7%24.6%
Sweet Grass County482.57 sq mi6.3%26.0%

Showing all 6 counties

Places

PlaceOverlapShare of district landShare of place land
Martinsdale Colony CDP2.22 sq mi<0.1%100.0%
Shawmut CDP2.15 sq mi<0.1%100.0%
Neihart town1.99 sq mi<0.1%100.0%
White Sulphur Springs city0.99 sq mi<0.1%100.0%
Big Timber city0.95 sq mi<0.1%97.6%
Geyser CDP0.89 sq mi<0.1%100.0%
Riceville CDP0.88 sq mi<0.1%100.0%
Martinsdale CDP0.87 sq mi<0.1%100.0%
Twodot CDP0.82 sq mi<0.1%100.0%
Monarch CDP0.80 sq mi<0.1%100.0%
Denton town0.71 sq mi<0.1%100.0%
Harlowton city0.63 sq mi<0.1%100.0%
Duncan Ranch Colony CDP0.61 sq mi<0.1%100.0%
Sapphire Ridge CDP0.54 sq mi<0.1%100.0%
Stanford town0.43 sq mi<0.1%100.0%
Windham CDP0.42 sq mi<0.1%99.9%
Coffee Creek CDP0.37 sq mi<0.1%100.0%
Belt town0.34 sq mi<0.1%100.0%
Judith Gap city0.33 sq mi<0.1%100.0%
Moccasin CDP0.32 sq mi<0.1%99.9%
Moore town0.29 sq mi<0.1%100.0%
Danvers CDP0.27 sq mi<0.1%99.9%
Utica CDP0.25 sq mi<0.1%99.8%
Pleasant Valley Colony CDP0.25 sq mi<0.1%100.0%
Springwater Colony CDP0.23 sq mi<0.1%100.0%

Showing top 25 of 29 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 210,927100.0%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
7,812
Active Voters
6,889 (88.2%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–20246,409 (82.0%)0 (0.0%)0 (0.0%)
2021–20225,498 (70.4%)0 (0.0%)0 (0.0%)
2019–20206,241 (79.9%)0 (0.0%)0 (0.0%)
2017–20185,302 (67.9%)0 (0.0%)0 (0.0%)
2015–20164,905 (62.8%)0 (0.0%)0 (0.0%)
2013–20143,989 (51.1%)0 (0.0%)0 (0.0%)
2011–20124,166 (53.3%)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
10,917 (± 452)
Median Age
48.3
Median Household Income
$63,994 (± $3,643)
High School Graduate or Higher (age 25+)
93.6%
Bachelor's Degree or Higher (age 25+)
28.3%

Population by Age

GroupPeopleShare
Under 182,14419.6%
18 to 645,57651.1%
65 and over3,19729.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3963.6%
White, not Hispanic9,91590.8%
Black, not Hispanic770.7%
Asian, not Hispanic100.1%
American Indian / Alaska Native, not Hispanic1421.3%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic290.3%
Two or more races, not Hispanic3483.2%

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
10,853
Citizen Voting Age Population (CVAP)
8,708

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic10,49696.7%
Hispanic3593.3%
White10,05692.7%
Black790.7%
Asian50.0%
American Indian / Alaska Native1421.3%
Native Hawaiian / Pacific Islander10.0%
Two or More Races10.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic8,51097.7%
Hispanic1992.3%
White8,20494.2%
Black680.8%
Asian330.4%
American Indian / Alaska Native2052.4%
Native Hawaiian / Pacific Islander00.0%
Two or More Races00.0%

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