23 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Newark | Essex County | 325,381 |
| North Bergen | Hudson County | 62,610 |
| New Brunswick | Middlesex County | 58,407 |
| North Brunswick | Middlesex County | 45,915 |
| Nutley | Essex County | 30,984 |
| Neptune | Monmouth County | 28,231 |
| North Plainfield | Somerset County | 23,366 |
| New Milford | Bergen County | 17,415 |
| North Arlington | Bergen County | 16,869 |
| New Providence | Union County | 14,182 |
| North Haledon | Passaic County | 8,959 |
| Newton | Sussex County | 8,620 |
| Northfield | Atlantic County | 8,575 |
| North Hanover | Burlington County | 8,171 |
| North Caldwell | Essex County | 6,872 |
| New Hanover | Burlington County | 6,359 |
| Norwood | Bergen County | 5,930 |
| Northvale | Bergen County | 5,093 |
| Neptune City | Monmouth County | 4,604 |
| Netcong | Morris County | 4,162 |
| North Wildwood | Cape May County | 3,525 |
| National Park | Gloucester County | 3,104 |
| Newfield | Gloucester County | 1,823 |