Ranking of Montana Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native 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 ethnicity as Non-Hispanic American Indian and Alaska Native (63.86%), followed by Glacier County (62.77%), and Roosevelt County (58.49%).

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 Non-Hispanic American Indian and Alaska Native in 2017
Big Horn
Glacier
Roosevelt
Blaine
Rosebud
Lake
Hill
Chouteau
Pondera
Valley
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2017
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Rank County % of County Population
1 Big Horn County 63.86
2 Glacier County 62.77
3 Roosevelt County 58.49
4 Blaine County 48.81
5 Rosebud County 36.25
6 Lake County 22.83
7 Hill County 22.65
8 Chouteau County 18.07
9 Pondera County 13.5
10 Valley County 9.03
11 Phillips County 8.99
12 Powell County 4.97
13 Toole County 4.7
14 Cascade County 4.14
15 Yellowstone County 3.99
16 Sanders County 3.78
17 Deer Lodge County 3.18
18 Daniels County 2.44
19 Treasure County 2.4
20 Missoula County 2.33
21 Richland County 1.94
22 Mineral County 1.91
23 Sheridan County 1.88
24 Lewis and Clark County 1.86
25 Custer County 1.82
26 Silver Bow County 1.76
27 Dawson County 1.75
28 Powder River County 1.72
29 Musselshell County 1.67
30 Beaverhead County 1.61
31 Jefferson County 1.59
32 Teton County 1.56
33 Golden Valley County 1.47
34 Fergus County 1.39
35 Broadwater County 1.33
36 Lincoln County 1.19
37 Wheatland County 1.17
38 Carbon County 1.13
39 Flathead County 1.1
40 McCone County 1.06
41 Judith Basin County 1.03
42 Petroleum County 0.98
43 Park County 0.97
44 Ravalli County 0.95
44 Stillwater County 0.95
45 Prairie County 0.91
46 Carter County 0.9
46 Sweet Grass County 0.9
47 Wibaux County 0.79
48 Gallatin County 0.78
48 Granite County 0.78
49 Meagher County 0.75
50 Liberty County 0.7
51 Madison County 0.69
52 Fallon County 0.66
53 Garfield County 0.39