Ranking of Massachusetts Counties By Percentage of Population with Other Groups Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.65M people in Massachusetts with Other Groups ancestry (23.58% of Massachusetts population). Among all Massachusetts counties, Suffolk County had the highest percentage of its population with Other Groups ancestry (39.24%), followed by Hampden County (32.49%), and Essex County (27.57%).
The chart and table below shows the top 10 counties with high percentage of its population having Other Groups ancestry.
You can see similar information for other states and for other ancestry groups in Massachusetts.
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Related Topics: Massachusetts ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Massachusetts Counties By Percentage of Population with Other Groups Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Suffolk County | 39.24 |
| 2 | Hampden County | 32.49 |
| 3 | Essex County | 27.57 |
| 4 | Middlesex County | 24.74 |
| 5 | Norfolk County | 22.27 |
| 6 | Worcester County | 20.12 |
| 7 | Berkshire County | 16.56 |
| 8 | Nantucket County | 15.53 |
| 9 | Hampshire County | 15.09 |
| 10 | Bristol County | 14.67 |
| 11 | Franklin County | 12.72 |
| 12 | Plymouth County | 11.64 |
| 13 | Barnstable County | 10.91 |
| 14 | Dukes County | 10.47 |