Ranking of Connecticut Counties By Net Migration in 2019

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2019, the Net Migration for Connecticut was -11.75K. Among all Connecticut counties, Tolland County had the highest net migration (-78), followed by Middlesex County (-222), and Windham County (-225).

The chart below shows the top 8 counties, and the table below shows the ranking of all Connecticut 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 Connecticut Counties By Net Migration in 2019
Tolland
Middlesex
Windham
Litchfield
New London
Hartford
New Haven
Fairfield
Ranking of Connecticut Counties By Net Migration in 2019
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Rank County Net Migration
1 Tolland County -78
2 Middlesex County -222
3 Windham County -225
4 Litchfield County -256
5 New London County -1258
6 Hartford County -2262
7 New Haven County -3515
8 Fairfield County -3936