23 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Newark | Essex County | 305,776 |
| North Bergen | Hudson County | 58,874 |
| New Brunswick | Middlesex County | 55,848 |
| North Brunswick | Middlesex County | 44,180 |
| Nutley | Essex County | 29,452 |
| Neptune | Monmouth County | 27,680 |
| North Plainfield | Somerset County | 22,430 |
| New Milford | Bergen County | 16,939 |
| North Arlington | Bergen County | 16,494 |
| New Providence | Union County | 13,442 |
| North Haledon | Passaic County | 8,577 |
| Northfield | Atlantic County | 8,398 |
| North Hanover | Burlington County | 8,063 |
| Newton | Sussex County | 7,966 |
| New Hanover | Burlington County | 6,682 |
| North Caldwell | Essex County | 6,554 |
| Norwood | Bergen County | 5,753 |
| Northvale | Bergen County | 4,935 |
| Neptune City | Monmouth County | 4,545 |
| Netcong | Morris County | 3,681 |
| North Wildwood | Cape May County | 3,521 |
| National Park | Gloucester County | 3,073 |
| Newfield | Gloucester County | 1,810 |