City | 2024 Population |
|---|---|
| Ramah | 103 |
| Rangely | 2,307 |
| Raymer (New Raymer) | 111 |
| Red Cliff | 241 |
| Red Feather Lakes | 265 |
| Redlands | 8,965 |
| Redstone | 272 |
| Redvale | 380 |
| Rico | 352 |
| Ridgway | 1,246 |
| Rifle | 10,674 |
| Rock Creek Park | 202 |
| Rockvale | 534 |
| Rocky Ford | 3,732 |
| Rollinsville | 173 |
| Romeo | 319 |
| Roxborough Park | 9,110 |
| Rye | 199 |