7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rifle | 1 | 10,718 | 10,442 | 0.52% | 1,530 | 7 | City |
| Glenwood Springs | 2 | 10,386 | 10,008 | 0.73% | 1,780 | 6 | City |
| Carbondale | 3 | 6,831 | 6,463 | 1.08% | 3,290 | 2 | Town |
| New Castle | 4 | 4,889 | 4,911 | -0.1% | 1,959 | 2 | Town |
| Silt | 5 | 3,770 | 3,554 | 1.15% | 2,240 | 2 | Town |
| Parachute | 6 | 1,355 | 1,390 | -0.51% | 527 | 3 | Town |
| Carbonate | 7 | 0 | 0 | 0.00 | 1 | Town |
Rifle is the largest city in Garfield County, with a population of 10,718.
Carbonate is the smallest city in Garfield County, with a population of 0.
There are 7 cities in Garfield County, Colorado.