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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 102.03K people in Massachusetts with Swedish ancestry (1.46% of Massachusetts population). Among all Massachusetts counties, Barnstable County had the highest percentage of its population with Swedish ancestry (2.63%), followed by Worcester County (2.63%), and Dukes County (2.45%).

The chart and table below shows the top 10 counties with high percentage of its population having Swedish ancestry.

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

Data Source: US Census Bureau.
Ranking of Massachusetts Counties By Percentage of Population with Swedish Ancestry in 2021
Barnstable County
Worcester County
Dukes County
Plymouth County
Franklin County
Norfolk County
Nantucket County
Hampshire County
Essex County
Bristol County
Ranking of Massachusetts Counties By Percentage of Population with Swedish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Barnstable County 2.63
1 Worcester County 2.63
2 Dukes County 2.45
3 Plymouth County 2.15
4 Franklin County 1.91
5 Norfolk County 1.43
6 Nantucket County 1.36
7 Hampshire County 1.35
8 Essex County 1.32
9 Bristol County 1.25
10 Middlesex County 1.18
11 Berkshire County 1.04
12 Hampden County 0.83
13 Suffolk County 0.70