Ranking of Montana Counties By Percentage of Population with Basque Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 581 people in Montana with Basque ancestry (0.05% of Montana population). Among all Montana counties, Madison County had the highest percentage of its population with Basque ancestry (0.45%), followed by Musselshell County (0.35%), and Jefferson County (0.25%).
The chart and table below shows the top 10 counties with high percentage of its population having Basque 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 Basque Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Madison County | 0.45 |
| 2 | Musselshell County | 0.35 |
| 3 | Jefferson County | 0.25 |
| 4 | Carter County | 0.22 |
| 5 | Deer Lodge County | 0.19 |
| 6 | Powder River County | 0.17 |
| 7 | Carbon County | 0.14 |
| 7 | Ravalli County | 0.14 |
| 8 | Lewis and Clark County | 0.13 |
| 9 | Stillwater County | 0.12 |
| 10 | Custer County | 0.11 |
| 11 | Hill County | 0.10 |
| 12 | Mineral County | 0.07 |
| 13 | Richland County | 0.06 |
| 14 | Cascade County | 0.05 |
| 14 | Sanders County | 0.05 |
| 14 | Valley County | 0.05 |
| 14 | Yellowstone County | 0.05 |
| 15 | Gallatin County | 0.04 |
| 15 | Park County | 0.04 |
| 16 | Fergus County | 0.03 |
| 16 | Missoula County | 0.03 |
| 17 | Lake County | 0.02 |
| 18 | Flathead County | 0.01 |
| 18 | Silver Bow County | 0.01 |