Ranking of Massachusetts Counties By 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. Among all Massachusetts counties, Middlesex County had the highest population with British ancestry (11.38K), followed by Norfolk County (3.98K), and Worcester County (3.85K).

The chart and table below shows the top 10 counties with high number of people with 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 Population with British Ancestry in 2021
Middlesex County
Norfolk County
Worcester County
Essex County
Suffolk County
Plymouth County
Barnstable County
Bristol County
Hampshire County
Hampden County
Ranking of Massachusetts Counties By Population with British Ancestry in 2021
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Rank County Population
1 Middlesex County 11380
2 Norfolk County 3982
3 Worcester County 3853
4 Essex County 3340
5 Suffolk County 3242
6 Plymouth County 2047
7 Barnstable County 1861
8 Bristol County 1349
9 Hampshire County 1127
10 Hampden County 1106
11 Franklin County 796
12 Berkshire County 602
13 Nantucket County 93
14 Dukes County 77