| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rifle | 1 | 10,924 | 10,436 | 0.74% | 1,559 | 7 | City |
| Glenwood Springs | 2 | 10,499 | 10,005 | 1% | 1,799 | 6 | City |
| Carbondale | 3 | 6,853 | 6,464 | 1.35% | 3,301 | 2 | Town |
| New Castle | 4 | 4,907 | 4,914 | 0.22% | 1,966 | 2 | Town |
| Silt | 5 | 3,797 | 3,555 | 1.44% | 2,256 | 2 | Town |
| Parachute | 6 | 1,363 | 1,389 | -0.22% | 530 | 3 | Town |
| Carbonate | 7 | 0 | 0 | 0 | 1 | Town |
Rifle is the largest city in Garfield County, with a population of 10,924.
Carbonate is the smallest city in Garfield County, with a population of 0.
There are 7 cities in Garfield County, Colorado.