Ranking of New Hampshire Counties By Net Migration Rate per 1K in 2020

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2020, the Net Migration Rate per 1K for New Hampshire was 4.81. Among all New Hampshire counties, Carroll County had the highest net migration rate (14.89), followed by Belknap County (8.64), and Merrimack County (7.74).

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.

See this for other years:
Ranking of New Hampshire Counties By Net Migration Rate per 1K in 2020
Carroll
Belknap
Merrimack
Strafford
Grafton
Cheshire
Rockingham
Sullivan
Hillsborough
Coos
Ranking of New Hampshire Counties By Net Migration Rate per 1K in 2020
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Rank County Net Migration Rate
1 Carroll County 14.89
2 Belknap County 8.64
3 Merrimack County 7.74
4 Strafford County 6.15
5 Grafton County 6.11
6 Cheshire County 6.04
7 Rockingham County 5.6
8 Sullivan County 2.66
9 Hillsborough County 1.16
10 Coos County -1.15