Ranking of Connecticut Counties By 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. Among all Connecticut counties, Fairfield County had the highest population with Eastern European ancestry (8.15K), followed by New Haven County (4.72K), and Hartford County (3.57K).

The chart and table below shows the top 8 counties with high number of people with 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 Population with Eastern European Ancestry in 2021
Fairfield County
New Haven County
Hartford County
New London County
Litchfield County
Middlesex County
Tolland County
Windham County
Ranking of Connecticut Counties By Population with Eastern European Ancestry in 2021
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Rank County Population
1 Fairfield County 8147
2 New Haven County 4723
3 Hartford County 3572
4 New London County 1182
5 Litchfield County 1011
6 Middlesex County 840
7 Tolland County 775
8 Windham County 259