Ranking of New Hampshire 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 New Hampshire was 10.07K. Among all New Hampshire counties, Rockingham County had the highest net migration (3.73K), followed by Carroll County (1.89K), and Belknap County (1.22K).
The chart below shows the top 10 counties, and the table below shows the ranking of all New Hampshire 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: New Hampshire Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of New Hampshire Counties By Net Migration in 2021
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| Rank | County | Net Migration |
|---|---|---|
| 1 | Rockingham County | 3726 |
| 2 | Carroll County | 1887 |
| 3 | Belknap County | 1216 |
| 4 | Hillsborough County | 932 |
| 5 | Sullivan County | 718 |
| 6 | Merrimack County | 670 |
| 7 | Coos County | 488 |
| 8 | Strafford County | 458 |
| 9 | Cheshire County | 418 |
| 10 | Grafton County | -443 |