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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 7.17K people in Washington with Czechoslovakian ancestry (0.09% of Washington population). Among all Washington counties, Wahkiakum County had the highest percentage of its population with Czechoslovakian ancestry (0.55%), followed by Lewis County (0.38%), and Columbia County (0.33%).

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

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