Ranking of Montana Counties By Percentage of Population that are White Alone in 2010
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2010, among all Montana counties, Petroleum County had the highest percentage of its population who identified their race as White Alone (99.39%), followed by Garfield County (98.74%), and Liberty County (98.3%).
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
White Alone in 2010
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Petroleum County | 99.39 |
| 2 | Garfield County | 98.74 |
| 3 | Liberty County | 98.3 |
| 4 | Carter County | 98.27 |
| 4 | Judith Basin County | 98.27 |
| 5 | Wibaux County | 98.21 |
| 6 | McCone County | 98.17 |
| 7 | Meagher County | 98.03 |
| 8 | Granite County | 97.72 |
| 9 | Fallon County | 97.65 |
| 10 | Carbon County | 97.61 |
| 11 | Madison County | 97.52 |
| 12 | Stillwater County | 97.28 |
| 13 | Park County | 97.15 |
| 14 | Sweet Grass County | 97.04 |
| 15 | Fergus County | 96.86 |
| 16 | Musselshell County | 96.82 |
| 17 | Prairie County | 96.79 |
| 18 | Broadwater County | 96.64 |
| 19 | Wheatland County | 96.52 |
| 20 | Teton County | 96.48 |
| 21 | Lincoln County | 96.42 |
| 21 | Ravalli County | 96.42 |
| 22 | Golden Valley County | 96.36 |
| 23 | Powder River County | 96.15 |
| 24 | Richland County | 96.12 |
| 25 | Dawson County | 96.08 |
| 26 | Flathead County | 95.95 |
| 27 | Custer County | 95.9 |
| 28 | Jefferson County | 95.84 |
| 29 | Beaverhead County | 95.8 |
| 29 | Treasure County | 95.8 |
| 30 | Gallatin County | 95.72 |
| 30 | Sheridan County | 95.72 |
| 31 | Daniels County | 95.71 |
| 32 | Mineral County | 95.25 |
| 33 | Silver Bow County | 95.01 |
| 34 | Lewis and Clark County | 94.67 |
| 35 | Deer Lodge County | 93.62 |
| 36 | Missoula County | 93.1 |
| 37 | Powell County | 92.79 |
| 38 | Toole County | 92.57 |
| 39 | Sanders County | 92.14 |
| 40 | Yellowstone County | 92.02 |
| 41 | Cascade County | 89.94 |
| 42 | Phillips County | 87.72 |
| 43 | Valley County | 87.42 |
| 44 | Pondera County | 82.97 |
| 45 | Chouteau County | 75.94 |
| 46 | Hill County | 74.15 |
| 47 | Lake County | 69.72 |
| 48 | Rosebud County | 61.57 |
| 49 | Blaine County | 48.16 |
| 50 | Roosevelt County | 35.89 |
| 51 | Big Horn County | 31.65 |
| 52 | Glacier County | 31.24 |