11 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Toms River township | Ocean County | 100,505 |
| Trenton city | Mercer County | 89,790 |
| Teaneck township | Bergen County | 41,845 |
| Tinton Falls borough | Monmouth County | 19,166 |
| Tenafly borough | Bergen County | 15,156 |
| Totowa borough | Passaic County | 10,719 |
| Tabernacle township | Burlington County | 6,929 |
| Tewksbury township | Hunterdon County | 5,887 |
| Tuckerton borough | Ocean County | 3,703 |
| Teterboro borough | Bergen County | 71 |
| Tavistock borough | Camden County | 7 |