Ranking of Idaho Counties By Percentage of Population with Scandinavian Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 16.05K people in Idaho with Scandinavian ancestry (0.89% of Idaho population). Among all Idaho counties, Lemhi County had the highest percentage of its population with Scandinavian ancestry (2.38%), followed by Adams County (1.88%), and Fremont County (1.41%).

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

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