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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 17.34K people in Connecticut with Norwegian ancestry (0.48% of Connecticut population). Among all Connecticut counties, New London County had the highest percentage of its population with Norwegian ancestry (0.88%), followed by Litchfield County (0.67%), and Middlesex County (0.60%).

The chart and table below shows the top 8 counties with high percentage of its population having Norwegian 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 Norwegian Ancestry in 2021
New London County
Litchfield County
Middlesex County
Fairfield County
Tolland County
Windham County
Hartford County
New Haven County
Ranking of Connecticut Counties By Percentage of Population with Norwegian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 New London County 0.88
2 Litchfield County 0.67
3 Middlesex County 0.60
4 Fairfield County 0.51
5 Tolland County 0.50
6 Windham County 0.48
7 Hartford County 0.39
8 New Haven County 0.35