10 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| University Park | Dallas County | 25,274 |
| Universal City | Bexar County | 20,395 |
| Uvalde | Uvalde County | 15,679 |
| Uvalde Estates | Real County | 2,981 |
| Uhland | Caldwell County | 1,955 |
| Union Valley | Collin County | 544 |
| Union Grove | Gregg County | 483 |
| Utopia | Uvalde County | 228 |
| Umbarger | Randall County | 87 |
| Uncertain | Harrison County | 85 |