7 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Yuma | Yuma County | 106,667 |
| Youngtown | Maricopa County | 7,061 |
| Yarnell | Yavapai County | 571 |
| York | Greenlee County | 408 |
| Yuma Proving Ground | Yuma County | 354 |
| Young | Gila County | 177 |
| Yucca | Mohave County | 30 |