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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 23.61K people in Connecticut with Dutch ancestry (0.66% of Connecticut population). Among all Connecticut counties, Middlesex County had the highest percentage of its population with Dutch ancestry (1.22%), followed by New London County (0.97%), and Litchfield County (0.83%).

The chart and table below shows the top 8 counties with high percentage of its population having Dutch 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 Dutch Ancestry in 2021
Middlesex County
New London County
Litchfield County
Tolland County
Fairfield County
Hartford County
New Haven County
Windham County
Ranking of Connecticut Counties By Percentage of Population with Dutch Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Middlesex County 1.22
2 New London County 0.97
3 Litchfield County 0.83
4 Tolland County 0.79
5 Fairfield County 0.68
6 Hartford County 0.53
7 New Haven County 0.51
8 Windham County 0.49