Ranking of Connecticut Counties By Percentage of Population with French Canadian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 85.19K people in Connecticut with French Canadian ancestry (2.36% of Connecticut population). Among all Connecticut counties, Windham County had the highest percentage of its population with French Canadian ancestry (8.66%), followed by Tolland County (4.37%), and New London County (4.01%).

The chart and table below shows the top 8 counties with high percentage of its population having French Canadian 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 French Canadian Ancestry in 2021
Windham County
Tolland County
New London County
Litchfield County
Middlesex County
Hartford County
New Haven County
Fairfield County
Ranking of Connecticut Counties By Percentage of Population with French Canadian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Windham County 8.66
2 Tolland County 4.37
3 New London County 4.01
4 Litchfield County 3.14
5 Middlesex County 2.90
6 Hartford County 2.73
7 New Haven County 1.67
8 Fairfield County 0.86