First-level division
🇺🇸 New Hampshire
Subdivisions
Hillsborough County
Population 422,937
Rockingham
Population 295,223
Merrimack County
Population 146,445
Strafford
Population 123,143
Grafton
Population 89,118
Cheshire County
Population 77,117
Belknap
Population 60,088
Carroll
Population 47,818
Sullivan
Population 43,742
Coös County
Population 33,055