14 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Farmington | Davis County | 26,561 |
| Farr West | Weber County | 8,218 |
| Fruit Heights | Davis County | 5,935 |
| Fillmore | Millard County | 2,827 |
| Francis | Summit County | 1,921 |
| Ferron | Emery County | 1,535 |
| Fountain Green | Sanpete County | 1,328 |
| Fairview | Sanpete County | 1,326 |
| Fielding | Box Elder County | 649 |
| Fort Duchesne | Uintah County | 411 |
| Fayette | Sanpete County | 274 |
| Fairfield | Utah County | 157 |
| Flaming Gorge | Daggett County | 86 |
| Fremont | Wayne County | 23 |