10 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Exeter | Rockingham County | 16,250 |
| Epping | Rockingham County | 8,040 |
| Epsom | Merrimack County | 5,058 |
| Enfield | Grafton County | 4,488 |
| East Kingston | Rockingham County | 2,436 |
| Effingham | Carroll County | 1,817 |
| Eaton | Carroll County | 430 |
| Easton | Grafton County | 301 |
| Errol | Coos County | 291 |
| Ellsworth | Grafton County | 93 |