Ranking of Connecticut Counties By Population with Northern European Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.98K people in Connecticut with Northern European ancestry. Among all Connecticut counties, Fairfield County had the highest population with Northern European ancestry (1.40K), followed by New Haven County (665), and Hartford County (517).

The chart and table below shows the top 8 counties with high number of people with Northern 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 Northern 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 Northern European Ancestry in 2021
0 of 0
Rank County Population
1 Fairfield County 1404
2 New Haven County 665
3 Hartford County 517
4 New London County 419
5 Litchfield County 351
6 Middlesex County 331
7 Tolland County 186
8 Windham County 105