Ranking of New Hampshire 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 New Hampshire was 5.35K. Among all New Hampshire counties, Rockingham County had the highest net migration (1.29K), followed by Merrimack County (1.06K), and Hillsborough County (807).

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 in 2018
Rockingham
Merrimack
Hillsborough
Carroll
Belknap
Coos
Grafton
Sullivan
Cheshire
Strafford
Ranking of New Hampshire Counties By Net Migration in 2018
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Rank County Net Migration
1 Rockingham County 1286
2 Merrimack County 1055
3 Hillsborough County 807
4 Carroll County 805
5 Belknap County 605
6 Coos County 329
7 Grafton County 228
8 Sullivan County 216
9 Cheshire County 18
10 Strafford County 3