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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 34.85K people in Massachusetts with British ancestry (0.50% of Massachusetts population). Among all Massachusetts counties, Franklin County had the highest percentage of its population with British ancestry (1.12%), followed by Barnstable County (0.82%), and Hampshire County (0.70%).

The chart and table below shows the top 10 counties with high percentage of its population having British 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 British Ancestry in 2021
Franklin County
Barnstable County
Hampshire County
Middlesex County
Nantucket County
Norfolk County
Berkshire County
Worcester County
Essex County
Suffolk County
Ranking of Massachusetts Counties By Percentage of Population with British Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Franklin County 1.12
2 Barnstable County 0.82
3 Hampshire County 0.70
3 Middlesex County 0.70
4 Nantucket County 0.67
5 Norfolk County 0.55
6 Berkshire County 0.47
7 Worcester County 0.45
8 Essex County 0.42
9 Suffolk County 0.41
10 Plymouth County 0.39
11 Dukes County 0.38
12 Hampden County 0.24
13 Bristol County 0.23