Ranking of Massachusetts Counties By Population with European Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 85.84K people in Massachusetts with European ancestry. Among all Massachusetts counties, Middlesex County had the highest population with European ancestry (26.26K), followed by Norfolk County (10.88K), and Worcester County (10.07K).

The chart and table below shows the top 10 counties with high number of people with European 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 European 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 European Ancestry in 2021
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Rank County Population
1 Middlesex County 26261
2 Norfolk County 10882
3 Worcester County 10067
4 Essex County 9370
5 Suffolk County 9150
6 Plymouth County 4892
7 Barnstable County 3539
8 Bristol County 2770
9 Hampshire County 2578
10 Hampden County 2547
11 Berkshire County 1822
12 Franklin County 1416
13 Dukes County 342
14 Nantucket County 202