New Hampshire county-to-county migration

10 New Hampshire counties. Top 10 origin and destination counties for each. Census ACS 2020 5-yr migration flows.

Frozen vintage. The Census Bureau has not released a newer county-to-county migration flows file. The 2020 5-yr vintage (covering 2016-2020) is the latest available as of build date.

Counties (by population)

Hillsborough County pop. 424,732
Rockingham County pop. 317,163
Merrimack County pop. 155,018
Strafford County pop. 131,743
Grafton County pop. 91,759
Cheshire County pop. 76,945
Belknap County pop. 64,300
Carroll County pop. 51,259
Sullivan County pop. 43,529
Coos County pop. 31,386

Source: U.S. Census Bureau, ACS County-to-County Migration Flows, 2020 5-yr (covering 2016-2020).