Ranking of Massachusetts Counties By Net Migration in 2021

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2021, the Net Migration for Massachusetts was 1.76K. Among all Massachusetts counties, Hampshire County had the highest net migration (18.29K), followed by Barnstable County (6.40K), and Plymouth County (4.09K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Massachusetts counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Massachusetts Counties By Net Migration in 2021
Hampshire
Barnstable
Plymouth
Worcester
Bristol
Berkshire
Dukes
Franklin
Nantucket
Norfolk
Ranking of Massachusetts Counties By Net Migration in 2021
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Rank County Net Migration
1 Hampshire County 18293
2 Barnstable County 6399
3 Plymouth County 4094
4 Worcester County 3651
5 Bristol County 3464
6 Berkshire County 1149
7 Dukes County 540
8 Franklin County 271
9 Nantucket County 198
10 Norfolk County -214
11 Hampden County -917
12 Essex County -1724
13 Middlesex County -10822
14 Suffolk County -22620