18 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Windham | Rockingham County | 16,480 |
| Weare | Hillsborough County | 9,258 |
| Wolfeboro | Carroll County | 6,663 |
| Wakefield | Carroll County | 5,590 |
| Winchester | Cheshire County | 4,285 |
| Wilton | Hillsborough County | 4,017 |
| Walpole | Cheshire County | 3,759 |
| Warner | Merrimack County | 2,990 |
| Whitefield | Coos County | 2,514 |
| Webster | Merrimack County | 2,003 |
| Westmoreland | Cheshire County | 1,751 |
| Wilmot | Merrimack County | 1,485 |
| Woodstock | Grafton County | 1,454 |
| Washington | Sullivan County | 1,229 |
| Wentworth | Grafton County | 840 |
| Warren | Grafton County | 819 |
| Waterville Valley | Grafton County | 528 |
| Windsor | Hillsborough County | 276 |