Ranking of Montana Counties By Percentage of Population with Swiss Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.40K people in Montana with Swiss ancestry (0.50% of Montana population). Among all Montana counties, Treasure County had the highest percentage of its population with Swiss ancestry (7.50%), followed by Meagher County (3.36%), and Broadwater County (1.94%).
The chart and table below shows the top 10 counties with high percentage of its population having Swiss 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 Swiss Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Treasure County | 7.50 |
| 2 | Meagher County | 3.36 |
| 3 | Broadwater County | 1.94 |
| 4 | Sheridan County | 1.36 |
| 5 | Sweet Grass County | 0.98 |
| 6 | Rosebud County | 0.97 |
| 7 | Garfield County | 0.93 |
| 8 | Ravalli County | 0.88 |
| 9 | Dawson County | 0.86 |
| 10 | Sanders County | 0.85 |
| 11 | Pondera County | 0.80 |
| 12 | Gallatin County | 0.73 |
| 13 | McCone County | 0.67 |
| 13 | Park County | 0.67 |
| 14 | Jefferson County | 0.61 |
| 15 | Fergus County | 0.60 |
| 16 | Stillwater County | 0.58 |
| 17 | Missoula County | 0.56 |
| 18 | Daniels County | 0.52 |
| 18 | Flathead County | 0.52 |
| 19 | Granite County | 0.51 |
| 20 | Lincoln County | 0.49 |
| 21 | Lewis and Clark County | 0.48 |
| 22 | Lake County | 0.47 |
| 23 | Phillips County | 0.43 |
| 24 | Cascade County | 0.42 |
| 25 | Beaverhead County | 0.37 |
| 26 | Yellowstone County | 0.36 |
| 27 | Musselshell County | 0.35 |
| 28 | Chouteau County | 0.34 |
| 29 | Custer County | 0.33 |
| 30 | Toole County | 0.32 |
| 31 | Carbon County | 0.29 |
| 31 | Hill County | 0.29 |
| 31 | Madison County | 0.29 |
| 32 | Silver Bow County | 0.28 |
| 33 | Powell County | 0.27 |
| 34 | Powder River County | 0.23 |
| 35 | Deer Lodge County | 0.22 |
| 36 | Carter County | 0.15 |
| 36 | Roosevelt County | 0.15 |
| 37 | Mineral County | 0.13 |
| 37 | Teton County | 0.13 |
| 38 | Valley County | 0.12 |
| 39 | Judith Basin County | 0.10 |
| 40 | Glacier County | 0.08 |
| 41 | Blaine County | 0.06 |
| 42 | Big Horn County | 0.03 |
| 42 | Richland County | 0.03 |