12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Utica | Oneida County | 62,571 |
| Union town | Broome County | 53,257 |
| Ulster town | Ulster County | 12,487 |
| Ulysses town | Tompkins County | 4,581 |
| Union Vale town | Dutchess County | 4,522 |
| Unadilla town | Otsego County | 4,016 |
| Urbana town | Steuben County | 2,060 |
| Upper Nyack | Rockland County | 1,987 |
| Upper Brookville | Nassau County | 1,758 |
| Unadilla | Otsego County | 1,080 |
| Union Springs | Cayuga County | 1,063 |
| Unionville | Orange County | 628 |