9 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| University Park | Dallas County | 25,281 |
| Universal City | Bexar County | 20,524 |
| Uvalde | Uvalde County | 15,770 |
| Uvalde Estates | Real County | 2,167 |
| Uhland | Caldwell County | 2,026 |
| Union Valley | Collin County | 577 |
| Union Grove | Gregg County | 491 |
| Utopia | Uvalde County | 100 |
| Uncertain | Harrison County | 85 |