Massachusetts Net Migration By County in 2018

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2018, the net migration for Massachusetts was 10,705. Bristol County had the highest net migration (3,254) followed by Plymouth County (2,468), and Essex County (2,283). On the other hand, Suffolk County had the lowest net migration (-1,449), followed by Middlesex County (-1,261), and Nantucket County (-114).

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 2018
Massachusetts Net Migration By County in 2018
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County Net Migration
Barnstable 1293
Berkshire 213
Bristol 3254
Dukes 27
Essex 2283
Franklin 269
Hampden 175
Hampshire 391
Middlesex -1261
Nantucket -114
Norfolk 1179
Plymouth 2468
Suffolk -1449
Worcester 1977