Massachusetts Net Migration By County in 2017

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2017, the net migration for Massachusetts was 23,859. Worcester County had the highest net migration (3,904) followed by Middlesex County (3,712), and Suffolk County (3,645). On the other hand, Hampden County had the lowest net migration (-614), followed by Hampshire County (-270), and Berkshire County (-130).

Net migration for a county refers to the difference between the number of migrants, both domestic and international, moving to the county and those leaving the county. Or to put it simply, the net migration for a given county is the inbound migration minus the outbound migration for that county.

You can also see similar information for other states and also by state for the United States.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

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Massachusetts Net Migration By County in 2017
Massachusetts Net Migration By County in 2017
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County Net Migration
Barnstable 1553
Berkshire -130
Bristol 2991
Dukes 40
Essex 3325
Franklin 132
Hampden -614
Hampshire -270
Middlesex 3712
Nantucket -3
Norfolk 2414
Plymouth 3160
Suffolk 3645
Worcester 3904