10 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Exeter town | Rockingham County | 16,098 |
| Epping town | Rockingham County | 7,783 |
| Epsom town | Merrimack County | 5,036 |
| Enfield town | Grafton County | 4,409 |
| East Kingston town | Rockingham County | 2,420 |
| Effingham town | Carroll County | 1,804 |
| Eaton town | Carroll County | 435 |
| Easton town | Grafton County | 301 |
| Errol town | Coos County | 289 |
| Ellsworth town | Grafton County | 90 |