Montana American Indian and Alaska Native Alone Population By County in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the American Indian and Alaska Native Alone population in Montana was 71,478 and represented 6.57% of the total Montana population (1,087,211).

Among Montana counties, Glacier County had the highest number of people who identified as American Indian and Alaska Native Alone (9,003), followed by Big Horn County (8,728), and Yellowstone County (8,368).

In the map below, we show the number and percentage of each county's American Indian and Alaska Native Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

You can also see similar information for other racial and ethnicity groups in Montana.

See this for other years:
Montana American Indian and Alaska Native Alone Population By County in 2020
Montana American Indian and Alaska Native Alone Population By County in 2020
Items per page:
0 of 0
County American Indian & Alaska Native Pop. % of County Population
Beaverhead 204 2.17
Big Horn 8728 66.73
Blaine 3587 51.19
Broadwater 100 1.46
Carbon 155 1.48
Carter 12 0.86
Cascade 4025 4.77
Chouteau 1101 18.66
Custer 295 2.49
Daniels 54 3.27
Dawson 196 2.2
Deer Lodge 288 3.06
Fallon 31 1.02
Fergus 198 1.73
Flathead 1360 1.3
Gallatin 1291 1.08
Garfield 6 0.51
Glacier 9003 65.5
Golden Valley 21 2.56
Granite 32 0.97
Hill 3935 24.18
Jefferson 245 2.02
Judith Basin 21 1.04
Lake 7497 23.98
Lewis and Clark 1555 2.19
Liberty 21 1.08
Lincoln 262 1.33
McCone 21 1.22
Madison 68 0.79
Meagher 14 0.73
Mineral 92 2.01
Missoula 3368 2.85
Musselshell 93 1.96
Park 222 1.29
Petroleum 6 1.2
Phillips 388 9.21
Pondera 918 15.62
Powder River 35 2.06
Powell 375 5.4
Prairie 14 1.28
Ravalli 532 1.2
Richland 287 2.49
Roosevelt 6550 60.64
Rosebud 3229 38.86
Sanders 493 3.96
Sheridan 78 2.2
Silver Bow 820 2.33
Stillwater 122 1.36
Sweet Grass 43 1.17
Teton 110 1.76
Toole 276 5.55
Treasure 22 2.9
Valley 647 8.56
Wheatland 50 2.41
Wibaux 14 1.5
Yellowstone 8368 5.07