Ranking of Montana Counties By Percentage of Population with German Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 256.64K people in Montana with German ancestry (23.81% of Montana population). Among all Montana counties, Fallon County had the highest percentage of its population with German ancestry (45.58%), followed by Liberty County (41.12%), and Treasure County (38.82%).
The chart and table below shows the top 10 counties with high percentage of its population having German 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 German Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Fallon County | 45.58 |
| 2 | Liberty County | 41.12 |
| 3 | Treasure County | 38.82 |
| 4 | Powder River County | 38.72 |
| 5 | Prairie County | 38.71 |
| 6 | McCone County | 36.90 |
| 7 | Golden Valley County | 35.61 |
| 8 | Sweet Grass County | 34.93 |
| 9 | Dawson County | 34.46 |
| 10 | Richland County | 34.29 |
| 11 | Judith Basin County | 33.88 |
| 12 | Petroleum County | 33.64 |
| 13 | Carbon County | 30.29 |
| 14 | Carter County | 29.87 |
| 15 | Madison County | 29.85 |
| 16 | Broadwater County | 29.77 |
| 17 | Yellowstone County | 29.50 |
| 18 | Custer County | 28.39 |
| 19 | Stillwater County | 28.38 |
| 20 | Teton County | 28.07 |
| 21 | Pondera County | 27.70 |
| 22 | Powell County | 27.19 |
| 22 | Wheatland County | 27.19 |
| 23 | Phillips County | 25.89 |
| 24 | Lewis and Clark County | 25.84 |
| 25 | Fergus County | 25.52 |
| 26 | Sheridan County | 25.33 |
| 27 | Park County | 25.10 |
| 28 | Wibaux County | 24.95 |
| 29 | Gallatin County | 24.22 |
| 30 | Musselshell County | 23.96 |
| 31 | Ravalli County | 23.89 |
| 32 | Mineral County | 23.88 |
| 33 | Beaverhead County | 23.44 |
| 34 | Flathead County | 23.39 |
| 35 | Granite County | 22.95 |
| 36 | Valley County | 22.75 |
| 37 | Jefferson County | 22.31 |
| 38 | Missoula County | 21.41 |
| 39 | Deer Lodge County | 21.23 |
| 40 | Cascade County | 21.09 |
| 41 | Sanders County | 20.53 |
| 42 | Silver Bow County | 20.39 |
| 43 | Toole County | 20.27 |
| 44 | Chouteau County | 19.95 |
| 45 | Lincoln County | 19.74 |
| 46 | Daniels County | 18.75 |
| 47 | Meagher County | 18.43 |
| 48 | Lake County | 16.79 |
| 49 | Rosebud County | 16.74 |
| 50 | Hill County | 15.95 |
| 51 | Garfield County | 14.10 |
| 52 | Blaine County | 11.50 |
| 53 | Roosevelt County | 10.18 |
| 54 | Glacier County | 7.67 |
| 55 | Big Horn County | 7.53 |