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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 126.40K people in Washington with Polish ancestry (1.66% of Washington population). Among all Washington counties, Ferry County had the highest percentage of its population with Polish ancestry (2.86%), followed by Jefferson County (2.72%), and Columbia County (2.65%).

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

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