Ranking of Montana Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2017

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2017, 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 (66.95%), followed by Glacier County (64.27%), and Roosevelt County (60.28%).

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 2017
Big Horn
Glacier
Roosevelt
Blaine
Rosebud
Lake
Hill
Chouteau
Pondera
Phillips
Ranking of Montana Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2017
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Rank County % of County Population
1 Big Horn County 66.95
2 Glacier County 64.27
3 Roosevelt County 60.28
4 Blaine County 50.24
5 Rosebud County 38.87
6 Lake County 24.58
7 Hill County 23.98
8 Chouteau County 18.98
9 Pondera County 14.01
10 Phillips County 9.5
11 Valley County 9.4
12 Toole County 5.15
13 Powell County 5.1
14 Yellowstone County 4.86
15 Cascade County 4.72
16 Sanders County 4.26
17 Deer Lodge County 3.85
18 Daniels County 2.97
19 Treasure County 2.7
20 Missoula County 2.63
21 Wheatland County 2.61
22 Richland County 2.3
23 Silver Bow County 2.28
24 Lewis and Clark County 2.25
25 Custer County 2.16
26 Sheridan County 2.08
27 Dawson County 2.06
28 Mineral County 2.05
29 Musselshell County 1.95
30 Powder River County 1.89
31 Beaverhead County 1.88
32 Jefferson County 1.74
33 Golden Valley County 1.71
33 Teton County 1.71
34 Fergus County 1.59
35 Broadwater County 1.5
36 Flathead County 1.3
36 Lincoln County 1.3
37 Carbon County 1.27
38 McCone County 1.24
39 Ravalli County 1.19
40 Park County 1.17
41 Stillwater County 1.16
42 Judith Basin County 1.03
43 Sweet Grass County 1.01
44 Carter County 0.98
44 Petroleum County 0.98
45 Gallatin County 0.96
46 Prairie County 0.91
47 Madison County 0.86
48 Meagher County 0.81
49 Wibaux County 0.79
50 Granite County 0.78
51 Fallon County 0.7
51 Liberty County 0.7
52 Garfield County 0.39