Ranking of Washington Counties By Percentage of Population with Scottish Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 197.33K people in Washington with Scottish ancestry (2.59% of Washington population). Among all Washington counties, San Juan County had the highest percentage of its population with Scottish ancestry (6.00%), followed by Skamania County (5.33%), and Jefferson County (4.65%).

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

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