Ranking of Massachusetts Counties By Percentage of Population with Celtic Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.45K people in Massachusetts with Celtic ancestry (0.02% of Massachusetts population). Among all Massachusetts counties, Franklin County had the highest percentage of its population with Celtic ancestry (0.06%), followed by Barnstable County (0.05%), and Nantucket County (0.05%).
The chart and table below shows the top 10 counties with high percentage of its population having Celtic 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 Celtic Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Franklin County | 0.06 |
| 2 | Barnstable County | 0.05 |
| 2 | Nantucket County | 0.05 |
| 3 | Worcester County | 0.04 |
| 4 | Essex County | 0.02 |
| 4 | Hampshire County | 0.02 |
| 4 | Middlesex County | 0.02 |
| 4 | Norfolk County | 0.02 |
| 4 | Plymouth County | 0.02 |
| 5 | Suffolk County | 0.01 |
| 6 | Berkshire County | 0.004 |
| 6 | Bristol County | 0.004 |
| 7 | Hampden County | 0.003 |