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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 29.18K people in Washington with Czech ancestry (0.38% of Washington population). Among all Washington counties, Pend Oreille County had the highest percentage of its population with Czech ancestry (1.11%), followed by Garfield County (1.05%), and Kittitas County (0.96%).

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

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