Ranking of Montana Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, 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 (66.73%), followed by Glacier County (64.72%), and Roosevelt County (60.81%).
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 2018
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Big Horn County | 66.73 |
| 2 | Glacier County | 64.72 |
| 3 | Roosevelt County | 60.81 |
| 4 | Blaine County | 50.8 |
| 5 | Rosebud County | 39.27 |
| 6 | Lake County | 24.4 |
| 7 | Hill County | 24.13 |
| 8 | Chouteau County | 18.37 |
| 9 | Pondera County | 14.19 |
| 10 | Valley County | 9.25 |
| 11 | Phillips County | 9.24 |
| 12 | Powell County | 5.25 |
| 13 | Toole County | 5.18 |
| 14 | Yellowstone County | 4.93 |
| 15 | Cascade County | 4.83 |
| 16 | Sanders County | 4.05 |
| 17 | Deer Lodge County | 3.88 |
| 18 | Daniels County | 2.99 |
| 19 | Treasure County | 2.7 |
| 20 | Missoula County | 2.64 |
| 21 | Richland County | 2.41 |
| 22 | Wheatland County | 2.4 |
| 23 | Silver Bow County | 2.36 |
| 24 | Dawson County | 2.33 |
| 25 | Custer County | 2.32 |
| 26 | Lewis and Clark County | 2.21 |
| 27 | Sheridan County | 2.16 |
| 28 | Musselshell County | 1.97 |
| 29 | Golden Valley County | 1.94 |
| 30 | Beaverhead County | 1.93 |
| 31 | Mineral County | 1.88 |
| 32 | Powder River County | 1.85 |
| 33 | Jefferson County | 1.79 |
| 34 | Fergus County | 1.69 |
| 35 | Teton County | 1.67 |
| 36 | Broadwater County | 1.64 |
| 37 | Wibaux County | 1.36 |
| 38 | Flathead County | 1.29 |
| 39 | McCone County | 1.27 |
| 40 | Carbon County | 1.25 |
| 41 | Lincoln County | 1.23 |
| 41 | Prairie County | 1.23 |
| 42 | Stillwater County | 1.2 |
| 43 | Ravalli County | 1.19 |
| 44 | Sweet Grass County | 1.11 |
| 45 | Park County | 1.1 |
| 46 | Judith Basin County | 1.08 |
| 47 | Gallatin County | 1 |
| 48 | Carter County | 0.98 |
| 49 | Petroleum County | 0.97 |
| 50 | Fallon County | 0.92 |
| 51 | Liberty County | 0.82 |
| 52 | Madison County | 0.79 |
| 53 | Granite County | 0.78 |
| 54 | Meagher County | 0.7 |
| 55 | Garfield County | 0.48 |