Ranking of Massachusetts Counties By Population with Polish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 283.05K people in Massachusetts with Polish ancestry. Among all Massachusetts counties, Middlesex County had the highest population with Polish ancestry (52.16K), followed by Worcester County (46.21K), and Hampden County (40.53K).

The chart and table below shows the top 10 counties with high number of people with Polish 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 Polish Ancestry in 2021
Middlesex County
Worcester County
Hampden County
Essex County
Norfolk County
Bristol County
Hampshire County
Suffolk County
Plymouth County
Berkshire County
Ranking of Massachusetts Counties By Population with Polish Ancestry in 2021
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Rank County Population
1 Middlesex County 52158
2 Worcester County 46207
3 Hampden County 40533
4 Essex County 27157
5 Norfolk County 22831
6 Bristol County 19694
7 Hampshire County 17216
8 Suffolk County 16792
9 Plymouth County 14129
10 Berkshire County 9269
11 Barnstable County 8211
12 Franklin County 7875
13 Nantucket County 517
14 Dukes County 461