Ranking of Montana Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 146.23K people in Montana with Irish ancestry (13.57% of Montana population). Among all Montana counties, Silver Bow County had the highest percentage of its population with Irish ancestry (24.37%), followed by Powell County (22.44%), and Fallon County (21.37%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Montana.
You may also be interested in:
Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Montana Counties By Percentage of Population with Irish Ancestry in 2021
25
0 of 0
| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Silver Bow County | 24.37 |
| 2 | Powell County | 22.44 |
| 3 | Fallon County | 21.37 |
| 4 | Deer Lodge County | 20.90 |
| 5 | Jefferson County | 19.04 |
| 6 | Judith Basin County | 18.61 |
| 7 | Park County | 18.02 |
| 8 | Broadwater County | 17.44 |
| 9 | Teton County | 17.22 |
| 10 | Madison County | 16.50 |
| 11 | Lewis and Clark County | 16.23 |
| 12 | Prairie County | 15.97 |
| 13 | Wheatland County | 15.85 |
| 14 | Dawson County | 15.84 |
| 15 | Mineral County | 15.48 |
| 16 | Missoula County | 15.27 |
| 17 | Beaverhead County | 15.13 |
| 18 | Meagher County | 15.11 |
| 19 | Stillwater County | 14.39 |
| 20 | Daniels County | 14.26 |
| 21 | Gallatin County | 14.24 |
| 22 | Flathead County | 13.51 |
| 23 | Custer County | 13.36 |
| 24 | Ravalli County | 13.32 |
| 25 | Richland County | 12.86 |
| 26 | Garfield County | 12.76 |
| 27 | Toole County | 12.69 |
| 28 | Granite County | 12.60 |
| 29 | Yellowstone County | 12.48 |
| 30 | Powder River County | 12.22 |
| 31 | Wibaux County | 12.18 |
| 32 | Treasure County | 12.12 |
| 33 | Sweet Grass County | 11.76 |
| 34 | Sanders County | 11.63 |
| 35 | Cascade County | 11.61 |
| 36 | Lincoln County | 11.55 |
| 37 | Chouteau County | 11.36 |
| 38 | Fergus County | 11.29 |
| 39 | Golden Valley County | 11.22 |
| 40 | Phillips County | 10.96 |
| 41 | Carbon County | 10.82 |
| 42 | Pondera County | 10.41 |
| 43 | Rosebud County | 10.39 |
| 44 | McCone County | 9.75 |
| 45 | Musselshell County | 9.70 |
| 46 | Carter County | 9.34 |
| 47 | Lake County | 9.24 |
| 48 | Valley County | 9.15 |
| 49 | Sheridan County | 7.89 |
| 50 | Hill County | 7.71 |
| 51 | Glacier County | 7.21 |
| 52 | Petroleum County | 7.14 |
| 53 | Liberty County | 5.48 |
| 54 | Big Horn County | 4.67 |
| 55 | Blaine County | 4.20 |
| 56 | Roosevelt County | 4.10 |
Popular Topics:
Find us
Copyright © Beautify Data LLC. All Rights Reserved.