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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 270.18K people in Massachusetts with Portuguese ancestry (3.86% of Massachusetts population). Among all Massachusetts counties, Bristol County had the highest percentage of its population with Portuguese ancestry (24.02%), followed by Dukes County (5.41%), and Barnstable County (4.14%).

The chart and table below shows the top 10 counties with high percentage of its population having Portuguese 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 Portuguese Ancestry in 2021
Bristol County
Dukes County
Barnstable County
Plymouth County
Nantucket County
Essex County
Middlesex County
Hampden County
Worcester County
Norfolk County
Ranking of Massachusetts Counties By Percentage of Population with Portuguese Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Bristol County 24.02
2 Dukes County 5.41
3 Barnstable County 4.14
4 Plymouth County 3.71
5 Nantucket County 2.54
6 Essex County 2.33
7 Middlesex County 2.20
8 Hampden County 2.05
9 Worcester County 1.78
10 Norfolk County 1.58
11 Hampshire County 1.13
12 Franklin County 0.98
13 Suffolk County 0.95
14 Berkshire County 0.59