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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 4.43K people in Connecticut with Czechoslovakian ancestry (0.12% of Connecticut population). Among all Connecticut counties, Litchfield County had the highest percentage of its population with Czechoslovakian ancestry (0.21%), followed by Hartford County (0.15%), and Middlesex County (0.14%).

The chart and table below shows the top 8 counties with high percentage of its population having Czechoslovakian ancestry.

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