Ranking of Connecticut Counties By Percentage of Population with Eastern European Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 20.51K people in Connecticut with Eastern European ancestry (0.57% of Connecticut population). Among all Connecticut counties, Fairfield County had the highest percentage of its population with Eastern European ancestry (0.85%), followed by Litchfield County (0.55%), and New Haven County (0.55%).

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

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

Data Source: US Census Bureau.
Ranking of Connecticut Counties By Percentage of Population with Eastern European Ancestry in 2021
Fairfield County
Litchfield County
New Haven County
Tolland County
Middlesex County
New London County
Hartford County
Windham County
Ranking of Connecticut Counties By Percentage of Population with Eastern European Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Fairfield County 0.85
2 Litchfield County 0.55
2 New Haven County 0.55
3 Tolland County 0.52
4 Middlesex County 0.51
5 New London County 0.44
6 Hartford County 0.40
7 Windham County 0.22