Ranking of Montana Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, 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 (66.78%), followed by Glacier County (64.39%), and Roosevelt County (58.58%).
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.
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Related Topics: Montana Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Montana Counties By Percentage of Pop. that are
American Indian and Alaska Native Alone in 2015
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Big Horn County | 66.78 |
| 2 | Glacier County | 64.39 |
| 3 | Roosevelt County | 58.58 |
| 4 | Blaine County | 49.72 |
| 5 | Rosebud County | 37.79 |
| 6 | Lake County | 24.58 |
| 7 | Hill County | 22.78 |
| 8 | Chouteau County | 19.68 |
| 9 | Pondera County | 14.2 |
| 10 | Valley County | 9.57 |
| 11 | Phillips County | 9.04 |
| 12 | Toole County | 5.49 |
| 13 | Powell County | 4.76 |
| 14 | Yellowstone County | 4.58 |
| 15 | Cascade County | 4.53 |
| 16 | Sanders County | 4.08 |
| 17 | Deer Lodge County | 3.74 |
| 18 | Missoula County | 2.8 |
| 19 | Daniels County | 2.57 |
| 20 | Treasure County | 2.35 |
| 21 | Wheatland County | 2.32 |
| 22 | Mineral County | 2.24 |
| 23 | Silver Bow County | 2.19 |
| 24 | Dawson County | 2.18 |
| 25 | Sheridan County | 2.1 |
| 26 | Lewis and Clark County | 2.08 |
| 27 | Custer County | 2.04 |
| 28 | Richland County | 2.03 |
| 29 | Powder River County | 1.98 |
| 30 | Beaverhead County | 1.89 |
| 31 | Jefferson County | 1.74 |
| 32 | Teton County | 1.72 |
| 33 | Musselshell County | 1.62 |
| 34 | Golden Valley County | 1.59 |
| 35 | Broadwater County | 1.54 |
| 36 | Fergus County | 1.47 |
| 37 | Carbon County | 1.3 |
| 37 | McCone County | 1.3 |
| 38 | Flathead County | 1.28 |
| 39 | Judith Basin County | 1.14 |
| 40 | Ravalli County | 1.12 |
| 41 | Lincoln County | 1.09 |
| 42 | Park County | 1.08 |
| 43 | Petroleum County | 1.05 |
| 44 | Granite County | 1.04 |
| 44 | Stillwater County | 1.04 |
| 45 | Gallatin County | 0.99 |
| 46 | Carter County | 0.96 |
| 47 | Sweet Grass County | 0.86 |
| 48 | Wibaux County | 0.84 |
| 49 | Fallon County | 0.79 |
| 50 | Liberty County | 0.67 |
| 51 | Madison County | 0.66 |
| 51 | Meagher County | 0.66 |
| 52 | Prairie County | 0.53 |
| 53 | Garfield County | 0.39 |
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