Ranking of Montana Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native 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 ethnicity as Non-Hispanic American Indian and Alaska Native (63.91%), followed by Glacier County (62.74%), and Roosevelt County (56.99%).
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
Non-Hispanic American Indian and Alaska Native in 2015
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Big Horn County | 63.91 |
| 2 | Glacier County | 62.74 |
| 3 | Roosevelt County | 56.99 |
| 4 | Blaine County | 48.42 |
| 5 | Rosebud County | 35.49 |
| 6 | Lake County | 22.99 |
| 7 | Hill County | 21.61 |
| 8 | Chouteau County | 18.73 |
| 9 | Pondera County | 13.64 |
| 10 | Valley County | 9.28 |
| 11 | Phillips County | 8.65 |
| 12 | Toole County | 5.04 |
| 13 | Powell County | 4.62 |
| 14 | Cascade County | 4.01 |
| 15 | Yellowstone County | 3.82 |
| 16 | Sanders County | 3.61 |
| 17 | Deer Lodge County | 3.09 |
| 18 | Missoula County | 2.46 |
| 19 | Daniels County | 2.17 |
| 20 | Mineral County | 2.1 |
| 21 | Treasure County | 2.06 |
| 22 | Sheridan County | 1.91 |
| 23 | Dawson County | 1.83 |
| 24 | Powder River County | 1.81 |
| 25 | Lewis and Clark County | 1.79 |
| 25 | Richland County | 1.79 |
| 26 | Silver Bow County | 1.75 |
| 27 | Custer County | 1.74 |
| 28 | Beaverhead County | 1.63 |
| 29 | Golden Valley County | 1.59 |
| 30 | Jefferson County | 1.58 |
| 30 | Teton County | 1.58 |
| 31 | Musselshell County | 1.51 |
| 32 | Broadwater County | 1.38 |
| 33 | Fergus County | 1.32 |
| 34 | McCone County | 1.24 |
| 35 | Judith Basin County | 1.14 |
| 36 | Carbon County | 1.12 |
| 37 | Flathead County | 1.09 |
| 38 | Petroleum County | 1.05 |
| 39 | Granite County | 1.04 |
| 40 | Lincoln County | 1.02 |
| 41 | Park County | 0.94 |
| 42 | Ravalli County | 0.88 |
| 43 | Carter County | 0.87 |
| 44 | Wibaux County | 0.84 |
| 45 | Gallatin County | 0.83 |
| 45 | Stillwater County | 0.83 |
| 46 | Wheatland County | 0.76 |
| 47 | Sweet Grass County | 0.75 |
| 48 | Fallon County | 0.69 |
| 49 | Madison County | 0.59 |
| 50 | Meagher County | 0.55 |
| 51 | Prairie County | 0.53 |
| 52 | Liberty County | 0.42 |
| 53 | Garfield County | 0.39 |