6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 81601 | Glenwood Springs | 16,268 |
| 81637 | Gypsum | 10,344 |
| 81635 | Parachute | 7,155 |
| 81647 | New Castle | 7,037 |
| 81652 | Silt | 6,356 |
| 81630 | De Beque | 1,052 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Garfield County, Colorado (US Census).