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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 4.98K people in Connecticut with Finnish ancestry (0.14% of Connecticut population). Among all Connecticut counties, Windham County had the highest percentage of its population with Finnish ancestry (0.53%), followed by New London County (0.34%), and Tolland County (0.23%).

The chart and table below shows the top 8 counties with high percentage of its population having Finnish 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 Finnish Ancestry in 2021
Windham County
New London County
Tolland County
Middlesex County
Litchfield County
Hartford County
New Haven County
Fairfield County
Ranking of Connecticut Counties By Percentage of Population with Finnish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Windham County 0.53
2 New London County 0.34
3 Tolland County 0.23
4 Middlesex County 0.22
5 Litchfield County 0.14
6 Hartford County 0.11
7 New Haven County 0.09
8 Fairfield County 0.08