Ranking of Montana Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 15.20K people in Montana with Scotch Irish ancestry (1.41% of Montana population). Among all Montana cities and places with a population of at least 10K, Helena city had the highest percentage of its population with Scotch Irish ancestry (2.40%), followed by Missoula city (1.69%), and Great Falls city (1.43%).

The chart and table below shows the top 8 cities with high percentage of its population having Scotch Irish ancestry.

You can see similar information for other states and for other ancestry groups in Montana.

Data Source: US Census Bureau.
Ranking of Montana Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021
Helena city
Missoula city
Great Falls city
Kalispell city
Billings city
Belgrade city
Butte-Silver Bow (balance)
Bozeman city
Ranking of Montana Cities and Places By Percentage of Population with Scotch Irish Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Helena city 2.40
2 Missoula city 1.69
3 Great Falls city 1.43
4 Kalispell city 1.42
5 Billings city 1.38
6 Belgrade city 1.17
7 Butte-Silver Bow (balance) 0.80
8 Bozeman city 0.76