City | 2024 Population |
|---|---|
| Ulster | 12,475 |
| Ulysses | 4,559 |
| Unadilla | 1,083 |
| Unadilla Forks | 187 |
| Union | 53,843 |
| Union Springs | 1,071 |
| Union Vale | 4,560 |
| Uniondale | 33,763 |
| Unionville | 631 |
| University Buffalo | 6,299 |
| University Gardens | 4,263 |
| Upper Brookville | 1,760 |
| Upper Nyack | 1,991 |
| Upper Red Hook | 72 |
| Urbana | 2,032 |
| Utica | 63,089 |