| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Una | city | Colorado | United States | 39.39972 | -108.10806 | 4977 | 103 |
| Uncompahgre | city | Colorado | United States | 38.37806 | -107.81806 | 6194 | 1039 |
| Union | city | Colorado | United States | 40.37667 | -103.50056 | 4127 | 174 |
| Uravan | city | Colorado | United States | 38.36833 | -108.73583 | 5196 | 112 |
| Utah Junction | city | Colorado | United States | 39.80056 | -104.9975 | 5196 | 151845 |
| Utaline | city | Colorado | United States | 39.12694 | -109.04167 | 4432 | 323 |
| Ute | city | Colorado | United States | 38.25556 | -108.27056 | 7624 | 114 |
| Utleyville | city | Colorado | United States | 37.27111 | -103.03083 | 5124 | 28 |
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