Ranking of Montana Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2011

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2011, 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 (65.55%), followed by Glacier County (64.93%), and Roosevelt County (60.23%).

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 2011
Big Horn
Glacier
Roosevelt
Blaine
Rosebud
Lake
Hill
Chouteau
Pondera
Valley
Ranking of Montana Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2011
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Rank County % of County Population
1 Big Horn County 65.55
2 Glacier County 64.93
3 Roosevelt County 60.23
4 Blaine County 50.05
5 Rosebud County 34.98
6 Lake County 22.83
7 Hill County 22.18
8 Chouteau County 21.92
9 Pondera County 14.66
10 Valley County 9.74
11 Phillips County 8.51
12 Toole County 5.12
13 Powell County 4.7
14 Sanders County 4.52
15 Cascade County 4.43
16 Yellowstone County 4.23
17 Deer Lodge County 3.22
18 Missoula County 2.65
19 Daniels County 2.33
20 Silver Bow County 2.11
21 Lewis and Clark County 2.09
22 Custer County 1.94
23 Mineral County 1.82
24 Powder River County 1.78
25 Sheridan County 1.76
26 Dawson County 1.74
27 Richland County 1.73
28 Treasure County 1.69
29 Beaverhead County 1.64
30 Teton County 1.54
31 Jefferson County 1.52
32 Broadwater County 1.42
33 Fergus County 1.36
34 Musselshell County 1.26
35 Flathead County 1.2
36 Golden Valley County 1.08
37 Carter County 1.06
38 Park County 1.04
39 Lincoln County 1.03
40 Ravalli County 1
41 Judith Basin County 0.95
42 Carbon County 0.94
43 Gallatin County 0.91
44 Stillwater County 0.74
45 Madison County 0.54
46 McCone County 0.53
47 Sweet Grass County 0.5
48 Granite County 0.49
49 Wheatland County 0.47
50 Fallon County 0.41
50 Wibaux County 0.41
51 Garfield County 0.4
52 Prairie County 0.35
53 Meagher County 0.27
54 Liberty County 0.21
55 Petroleum County 0