Montana Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population for Montana was 14,695 and represented 1.76% of the total Montana citizen voting-age population.

Among all Montana counties, Glacier had the highest Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population (5.75K), followed by Big Horn (5.07K), and Lake (4.61K).

In terms of percentages, Glacier had the highest percentage of its citizen voting-age population being Non-Hispanic American Indian & Alaska Native Alone (59.84%), followed by Big Horn (58.31%), and Roosevelt (53.12%).

The chart and table below shows the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic American Indian & Alaska Native Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Montana Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2021
Montana Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Glacier 5745 59.84
Big Horn 5070 58.31
Lake 4610 19.68
Yellowstone 4110 3.32
Roosevelt 3785 53.12
Hill 2235 19.28
Blaine 2205 45.14
Cascade 2170 3.36
Rosebud 1830 30.40
Missoula 1730 1.84
Chouteau 835 18.54
Flathead 805 1.01
Lewis and Clark 675 1.23
Silver Bow 600 2.18
Pondera 570 12.75
Gallatin 550 0.60
Valley 470 8.15
Sanders 330 3.28
Powell 315 5.36
Phillips 245 7.75
Ravalli 240 0.68
Lincoln 210 1.33
Toole 185 4.67
Fergus 140 1.54
Fallon 110 4.79
Deer Lodge 105 1.32
Jefferson 105 1.10
Musselshell 95 2.48
Dawson 80 1.13
Stillwater 75 1.08
Beaverhead 70 0.92
Mineral 70 1.94
Teton 60 1.29
Broadwater 55 1.04
Park 55 0.39
Custer 50 0.53
Carbon 45 0.52
Daniels 40 2.93
Madison 30 0.42
Powder River 30 2.17
Sweet Grass 30 1.02
Judith Basin 25 1.65
McCone 25 1.74
Granite 20 0.74
Meagher 20 1.27
Sheridan 20 0.73
Richland 15 0.18
Wheatland 10 0.61
Wibaux 10 1.34
Golden Valley 4 0.58
Liberty 4 0.27
Prairie 4 0.44
Treasure 4 0.70
Carter 0 0.00
Garfield 0 0.00
Petroleum 0 0.00