Ranking of Connecticut Counties By Net Migration in 2018
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2018, the Net Migration for Connecticut was -4.66K. Among all Connecticut counties, Windham County had the highest net migration (697), followed by Middlesex County (335), and Litchfield County (-95).
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.
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Related Topics: Connecticut Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2018 Census.
See this for other years:
Ranking of Connecticut Counties By Net Migration in 2018
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| Rank | County | Net Migration |
|---|---|---|
| 1 | Windham County | 697 |
| 2 | Middlesex County | 335 |
| 3 | Litchfield County | -95 |
| 4 | Tolland County | -266 |
| 5 | New London County | -808 |
| 6 | Fairfield County | -1247 |
| 7 | Hartford County | -1528 |
| 8 | New Haven County | -1745 |