12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Taylorsville | Salt Lake County | 57,178 |
| Tooele | Tooele County | 42,139 |
| Tremonton | Box Elder County | 13,354 |
| Toquerville | Washington County | 2,022 |
| Thatcher | Box Elder County | 1,123 |
| Timber Lakes | Wasatch County | 736 |
| Trenton | Cache County | 546 |
| Tropic | Garfield County | 509 |
| Torrey | Wayne County | 264 |
| Teasdale | Wayne County | 223 |
| Tabiona | Duchesne County | 157 |
| Tselakai Dezza | San Juan County | 84 |