Ranking of Montana Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2019

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2019, among all Montana counties, Big Horn County had the highest percentage of its population who identified their race as American Indian and Alaska Native Alone (66.82%), followed by Glacier County (64.86%), and Roosevelt County (60.73%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Montana Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2019
Big Horn
Glacier
Roosevelt
Blaine
Rosebud
Hill
Lake
Chouteau
Pondera
Phillips
Ranking of Montana Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2019
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Rank County % of County Population
1 Big Horn County 66.82
2 Glacier County 64.86
3 Roosevelt County 60.73
4 Blaine County 51
5 Rosebud County 39.45
6 Hill County 24.56
7 Lake County 24.38
8 Chouteau County 18.31
9 Pondera County 14.36
10 Phillips County 9.43
11 Valley County 8.99
12 Powell County 5.34
13 Toole County 5.1
14 Yellowstone County 4.95
15 Cascade County 4.72
16 Sanders County 4.11
17 Deer Lodge County 3.88
18 Treasure County 2.87
19 Daniels County 2.8
20 Wheatland County 2.71
21 Missoula County 2.7
22 Richland County 2.59
23 Silver Bow County 2.37
24 Sheridan County 2.35
25 Dawson County 2.32
26 Custer County 2.24
27 Lewis and Clark County 2.21
28 Golden Valley County 2.18
29 Musselshell County 2.08
30 Beaverhead County 1.98
31 Mineral County 1.92
32 Powder River County 1.9
33 Jefferson County 1.86
34 Teton County 1.84
35 Fergus County 1.8
36 Wibaux County 1.57
37 Prairie County 1.5
38 Broadwater County 1.47
39 Carbon County 1.33
40 Flathead County 1.27
40 Lincoln County 1.27
40 McCone County 1.27
41 Stillwater County 1.22
42 Ravalli County 1.2
43 Park County 1.16
44 Sweet Grass County 1.13
45 Judith Basin County 1.05
46 Carter County 1.04
47 Petroleum County 1.01
48 Gallatin County 1
49 Fallon County 0.97
50 Granite County 0.9
51 Liberty County 0.88
52 Madison County 0.78
53 Meagher County 0.71
54 Garfield County 0.47