Ranking of Oregon Counties By Percentage of Population with Scotch Irish Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 50.62K people in Oregon with Scotch Irish ancestry (1.20% of Oregon population). Among all Oregon counties, Wallowa County had the highest percentage of its population with Scotch Irish ancestry (2.66%), followed by Baker County (2.55%), and Grant County (2.52%).

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

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