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

Based on the US Census ACS-5Yrs estimates, in 2021, there were 48.41K people in Connecticut with Swedish ancestry (1.34% of Connecticut population). Among all Connecticut counties, Middlesex County had the highest percentage of its population with Swedish ancestry (2.92%), followed by Litchfield County (2.35%), and Tolland County (1.92%).

The chart and table below shows the top 8 counties with high percentage of its population having Swedish ancestry.

You can see similar information for other states and for other ancestry groups in Connecticut.