Ranking of Montana Counties By Percentage of Population with Canadian Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.97K people in Montana with Canadian ancestry (0.18% of Montana population). Among all Montana counties, Phillips County had the highest percentage of its population with Canadian ancestry (1.51%), followed by Toole County (0.54%), and Valley County (0.37%).

The chart and table below shows the top 10 counties with high percentage of its population having Canadian ancestry.

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