Ranking of Montana Counties By Percentage of Population with Welsh Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 9.51K people in Montana with Welsh ancestry (0.88% of Montana population). Among all Montana counties, Dawson County had the highest percentage of its population with Welsh ancestry (3.25%), followed by Madison County (2.49%), and Liberty County (2.42%).
The chart and table below shows the top 10 counties with high percentage of its population having Welsh 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 Welsh Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Dawson County | 3.25 |
| 2 | Madison County | 2.49 |
| 3 | Liberty County | 2.42 |
| 4 | Meagher County | 2.12 |
| 5 | Garfield County | 1.75 |
| 6 | Sanders County | 1.63 |
| 7 | Lewis and Clark County | 1.47 |
| 8 | Custer County | 1.45 |
| 9 | Deer Lodge County | 1.39 |
| 10 | Beaverhead County | 1.36 |
| 10 | Broadwater County | 1.36 |
| 11 | Mineral County | 1.34 |
| 12 | Sweet Grass County | 1.33 |
| 13 | Silver Bow County | 1.18 |
| 14 | Cascade County | 1.17 |
| 15 | Ravalli County | 1.12 |
| 16 | Wheatland County | 1.11 |
| 17 | Golden Valley County | 1.10 |
| 17 | Toole County | 1.10 |
| 18 | Stillwater County | 1.09 |
| 19 | McCone County | 1.00 |
| 20 | Gallatin County | 0.96 |
| 21 | Granite County | 0.93 |
| 22 | Powder River County | 0.85 |
| 23 | Chouteau County | 0.83 |
| 24 | Carter County | 0.82 |
| 25 | Carbon County | 0.77 |
| 25 | Flathead County | 0.77 |
| 25 | Richland County | 0.77 |
| 26 | Fergus County | 0.72 |
| 26 | Park County | 0.72 |
| 27 | Yellowstone County | 0.66 |
| 28 | Jefferson County | 0.65 |
| 28 | Missoula County | 0.65 |
| 28 | Teton County | 0.65 |
| 29 | Lake County | 0.64 |
| 30 | Judith Basin County | 0.60 |
| 31 | Powell County | 0.50 |
| 32 | Lincoln County | 0.47 |
| 33 | Rosebud County | 0.44 |
| 34 | Big Horn County | 0.39 |
| 35 | Pondera County | 0.32 |
| 36 | Musselshell County | 0.31 |
| 37 | Blaine County | 0.30 |
| 37 | Hill County | 0.30 |
| 38 | Glacier County | 0.25 |
| 39 | Sheridan County | 0.17 |
| 40 | Fallon County | 0.13 |
| 41 | Roosevelt County | 0.12 |
| 42 | Phillips County | 0.09 |
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