City | 2024 Population |
|---|---|
| Fairmount | 11,247 |
| Fairplay | 740 |
| Federal Heights | 13,792 |
| Firestone | 19,231 |
| Flagler | 576 |
| Fleming | 419 |
| Florence | 3,869 |
| Florissant | 174 |
| Floyd Hill | 888 |
| Fort Carson | 19,967 |
| Fort Collins | 170,507 |
| Fort Garland | 568 |
| Fort Lupton | 9,927 |
| Fort Morgan | 11,567 |
| Fountain | 28,020 |
| Four Square Mile | 20,847 |
| Fowler | 1,196 |
| Foxfield | 728 |
| Franktown | 488 |
| Fraser | 1,474 |
| Frederick | 18,660 |
| Frisco | 2,709 |
| Fruita | 13,946 |
| Fruitvale | 8,300 |