Ranking of Montana Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2023

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2023, 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 (64.29%), followed by Glacier County (63.42%), and Roosevelt County (59.36%).

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 2023
Big Horn
Glacier
Roosevelt
Blaine
Rosebud
Hill
Lake
Chouteau
Pondera
Phillips
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2023
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Rank County % of County Population
1 Big Horn County 64.29
2 Glacier County 63.42
3 Roosevelt County 59.36
4 Blaine County 48.83
5 Rosebud County 36.09
6 Hill County 23.91
7 Lake County 21.38
8 Chouteau County 17.02
9 Pondera County 14.84
10 Phillips County 9.41
11 Valley County 8.31
12 Toole County 5.77
13 Powell County 5.57
14 Cascade County 4.26
15 Yellowstone County 4.2
16 Sanders County 3.26
17 Daniels County 3
18 Treasure County 2.72
19 Powder River County 2.7
20 Custer County 2.5
21 Deer Lodge County 2.46
22 Richland County 2.34
23 Sheridan County 2.32
24 Missoula County 2.3
25 Mineral County 2.12
26 Teton County 2.07
27 Dawson County 2.04
28 Petroleum County 1.99
29 Golden Valley County 1.92
30 Lewis and Clark County 1.79
30 Silver Bow County 1.79
31 Musselshell County 1.7
32 Jefferson County 1.69
33 Beaverhead County 1.64
34 Fergus County 1.62
35 Prairie County 1.44
36 Wibaux County 1.32
37 Fallon County 1.3
38 Lincoln County 1.26
39 Broadwater County 1.23
40 Liberty County 1.22
40 Wheatland County 1.22
41 Carbon County 1.21
41 Meagher County 1.21
42 Sweet Grass County 1.2
43 Stillwater County 1.19
44 Flathead County 1.12
45 Park County 1.08
46 Judith Basin County 1.05
47 Carter County 0.99
48 McCone County 0.96
48 Ravalli County 0.96
49 Granite County 0.89
50 Gallatin County 0.83
50 Garfield County 0.83
51 Madison County 0.69