16 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Flagstaff | Coconino County | 77,763 |
| Fortuna Foothills | Yuma County | 28,680 |
| Florence | Pinal County | 23,689 |
| Fountain Hills | Maricopa County | 23,607 |
| Flowing Wells | Pima County | 17,121 |
| Fort Mohave | Mohave County | 16,028 |
| Fort Defiance | Apache County | 3,612 |
| Fort Valley | Coconino County | 2,039 |
| First Mesa | Apache County | 1,341 |
| Fredonia | Coconino County | 1,279 |
| Fort Thomas | Graham County | 306 |
| Forest Lakes | Coconino County | 267 |
| Fort Apache | Navajo County | 261 |
| Freedom Acres | Gila County | 177 |
| Franklin | Greenlee County | 123 |
| Flowing Springs | Gila County | 62 |