Ranking of Montana Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2020

Updated on August 12, 2024.

Based on the US Census Vintage data estimates, in 2020, 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 (64.55%), followed by Glacier County (64.22%), and Roosevelt County (59.13%).

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 2020
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 2020
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Rank County % of County Population
1 Big Horn County 64.55
2 Glacier County 64.22
3 Roosevelt County 59.13
4 Blaine County 50.01
5 Rosebud County 36.97
6 Hill County 22.89
7 Lake County 22.45
8 Chouteau County 17.8
9 Pondera County 15.02
10 Phillips County 8.76
11 Valley County 8.07
12 Powell County 5.23
13 Toole County 5.09
14 Cascade County 4.09
15 Yellowstone County 4.07
16 Sanders County 3.4
17 Treasure County 2.77
18 Daniels County 2.66
19 Deer Lodge County 2.55
20 Missoula County 2.34
21 Custer County 2.14
22 Sheridan County 2.03
23 Richland County 2
24 Golden Valley County 1.95
25 Powder River County 1.89
26 Dawson County 1.84
26 Mineral County 1.84
27 Lewis and Clark County 1.81
28 Jefferson County 1.79
29 Beaverhead County 1.73
30 Silver Bow County 1.71
31 Musselshell County 1.66
32 Teton County 1.63
33 Fergus County 1.52
34 Wibaux County 1.5
35 Broadwater County 1.3
36 Prairie County 1.28
37 Lincoln County 1.21
38 Petroleum County 1.2
39 Carbon County 1.16
39 Wheatland County 1.16
40 Stillwater County 1.12
41 Flathead County 1.11
42 Park County 1.07
43 Sweet Grass County 1.06
44 Judith Basin County 1.04
44 McCone County 1.04
45 Granite County 0.97
45 Liberty County 0.97
46 Ravalli County 0.95
47 Fallon County 0.89
48 Gallatin County 0.82
49 Carter County 0.78
50 Meagher County 0.68
51 Madison County 0.65
52 Garfield County 0.51