City | 2024 Population |
|---|---|
| Ramah | 104 |
| Rangely | 2,281 |
| Raymer (New Raymer) | 111 |
| Red Cliff | 238 |
| Red Feather Lakes | 265 |
| Redlands | 8,965 |
| Redstone | 272 |
| Redvale | 380 |
| Rico | 344 |
| Ridgway | 1,269 |
| Rifle | 10,607 |
| Rock Creek Park | 202 |
| Rockvale | 539 |
| Rocky Ford | 3,802 |
| Rollinsville | 173 |
| Romeo | 309 |
| Roxborough Park | 9,110 |
| Rye | 201 |