Ranking of Montana Counties By Percentage of Population that were American Indian and Alaska Native Alone from Census 2020

Updated on February 25, 2023.

According to the data from the United States 2020 decennial Census for Montana counties, in April 2020, among all Montana counties, Glacier County had the highest percentage of its population that identified their race as American Indian and Alaska Native Alone (67.16%), followed by Big Horn County (67.01%), and Roosevelt County (57.87%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties based on the percentage of the population that identified as American Indian and Alaska Native Alone.

You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups as well as for the different ethnicities in Montana.

Ranking of Montana Counties By Percentage of Pop. that were American Indian and Alaska Native Alone from Census 2020
Glacier
Big Horn
Roosevelt
Blaine
Rosebud
Chouteau
Hill
Lake
Pondera
Valley
Ranking of Montana Counties By Percentage of Pop. that were American Indian and Alaska Native Alone from Census 2020
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Rank County American Indian & Alaska Native % of County Pop.
1 Glacier County 67.16
2 Big Horn County 67.01
3 Roosevelt County 57.87
4 Blaine County 52.78
5 Rosebud County 35.39
6 Chouteau County 23.90
7 Hill County 23.07
8 Lake County 22.33
9 Pondera County 15.38
10 Valley County 9.18
11 Phillips County 8.09
12 Toole County 6.96
13 Powell County 5.87
14 Cascade County 4.74
15 Yellowstone County 4.39
16 Sanders County 3.70
17 Missoula County 2.80
18 Treasure County 2.63
19 Deer Lodge County 2.54
20 Daniels County 2.41
21 Musselshell County 2.16
22 Dawson County 1.99
23 Powder River County 1.95
24 Lewis and Clark County 1.92
25 Sheridan County 1.78
26 Custer County 1.74
27 Teton County 1.64
28 Silver Bow County 1.61
29 Richland County 1.57
30 Mineral County 1.50
31 Beaverhead County 1.41
32 Jefferson County 1.34
33 McCone County 1.33
34 Prairie County 1.20
35 Fergus County 1.15
36 Lincoln County 1.13
37 Carbon County 1.06
38 Stillwater County 0.99
39 Flathead County 0.94
40 Granite County 0.94
41 Broadwater County 0.93
42 Park County 0.93
43 Fallon County 0.89
44 Gallatin County 0.88
45 Wheatland County 0.87
46 Garfield County 0.85
47 Ravalli County 0.84
48 Wibaux County 0.75
49 Sweet Grass County 0.68
50 Liberty County 0.51
51 Carter County 0.50
52 Golden Valley County 0.49
53 Madison County 0.39
54 Meagher County 0.21
55 Judith Basin County 0.05
56 Petroleum County 0.00