18 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Windham | Rockingham County | 16,086 |
| Weare | Hillsborough County | 9,189 |
| Wolfeboro | Carroll County | 6,661 |
| Wakefield | Carroll County | 5,519 |
| Winchester | Cheshire County | 4,268 |
| Wilton | Hillsborough County | 3,978 |
| Walpole | Cheshire County | 3,692 |
| Warner | Merrimack County | 2,979 |
| Whitefield | Coos County | 2,578 |
| Webster | Merrimack County | 1,984 |
| Westmoreland | Cheshire County | 1,742 |
| Wilmot | Merrimack County | 1,520 |
| Woodstock | Grafton County | 1,420 |
| Washington | Sullivan County | 1,195 |
| Wentworth | Grafton County | 839 |
| Warren | Grafton County | 824 |
| Waterville Valley | Grafton County | 518 |
| Windsor | Hillsborough County | 271 |