| City | County | 2026 Pop. ↓ |
|---|---|---|
| Goffstown | Hillsborough County | 18,658 |
| Gilford | Belknap County | 7,903 |
| Greenland | Rockingham County | 4,165 |
| Gilmanton | Belknap County | 4,055 |
| Grantham | Sullivan County | 3,491 |
| Gorham | Coos County | 2,649 |
| Greenville | Hillsborough County | 2,039 |
| Greenfield | Hillsborough County | 1,750 |
| Grafton | Grafton County | 1,412 |
| Goshen | Sullivan County | 810 |
| Gilsum | Cheshire County | 799 |
| Groton | Grafton County | 589 |