| City | County | 2026 Pop. ↓ |
|---|---|---|
| Exeter | Rockingham County | 16,201 |
| Epping | Rockingham County | 8,163 |
| Epsom | Merrimack County | 5,094 |
| Enfield | Grafton County | 4,469 |
| East Kingston | Rockingham County | 2,435 |
| Effingham | Carroll County | 1,836 |
| Eaton | Carroll County | 430 |
| Easton | Grafton County | 296 |
| Errol | Coos County | 289 |
| Ellsworth | Grafton County | 92 |