Ranking of Montana Counties By Percentage of Population with English Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 129.46K people in Montana with English ancestry (12.01% of Montana population). Among all Montana counties, Granite County had the highest percentage of its population with English ancestry (20.70%), followed by Jefferson County (19.67%), and Sweet Grass County (19.05%).
The chart and table below shows the top 10 counties with high percentage of its population having English ancestry.
You can see similar information for other states and for other ancestry groups in Montana.
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Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Montana Counties By Percentage of Population with English Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Granite County | 20.70 |
| 2 | Jefferson County | 19.67 |
| 3 | Sweet Grass County | 19.05 |
| 4 | Treasure County | 18.90 |
| 5 | Meagher County | 18.89 |
| 6 | Powder River County | 17.23 |
| 7 | Madison County | 15.93 |
| 8 | Beaverhead County | 15.60 |
| 9 | Flathead County | 15.28 |
| 10 | Carbon County | 15.27 |
| 11 | Ravalli County | 15.16 |
| 12 | Lewis and Clark County | 14.87 |
| 13 | Wibaux County | 14.74 |
| 14 | Fallon County | 14.61 |
| 15 | Park County | 14.31 |
| 16 | Gallatin County | 13.80 |
| 17 | Carter County | 12.45 |
| 18 | Lincoln County | 12.21 |
| 19 | Golden Valley County | 12.20 |
| 20 | Missoula County | 12.17 |
| 21 | Mineral County | 12.16 |
| 22 | Broadwater County | 11.75 |
| 23 | Sanders County | 11.43 |
| 24 | Stillwater County | 11.40 |
| 25 | Judith Basin County | 11.33 |
| 26 | Teton County | 11.13 |
| 27 | Yellowstone County | 11.10 |
| 28 | Chouteau County | 10.91 |
| 29 | Fergus County | 10.48 |
| 30 | Cascade County | 10.46 |
| 31 | Toole County | 10.45 |
| 32 | Dawson County | 10.36 |
| 33 | Deer Lodge County | 10.34 |
| 34 | Custer County | 10.24 |
| 34 | Musselshell County | 10.24 |
| 35 | Garfield County | 10.19 |
| 36 | Lake County | 10.10 |
| 37 | Petroleum County | 9.91 |
| 38 | Silver Bow County | 9.88 |
| 39 | Prairie County | 9.70 |
| 40 | Rosebud County | 9.68 |
| 41 | Liberty County | 9.33 |
| 42 | Powell County | 8.80 |
| 43 | Blaine County | 8.06 |
| 44 | Phillips County | 8.03 |
| 45 | McCone County | 7.98 |
| 46 | Valley County | 7.73 |
| 47 | Wheatland County | 6.39 |
| 48 | Hill County | 6.23 |
| 49 | Pondera County | 6.11 |
| 50 | Sheridan County | 6.05 |
| 51 | Richland County | 5.87 |
| 52 | Daniels County | 5.29 |
| 53 | Glacier County | 4.00 |
| 54 | Big Horn County | 3.53 |
| 55 | Roosevelt County | 2.17 |