6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 81601 | Glenwood Springs | 16,844 |
| 81637 | Gypsum | 10,744 |
| 81635 | Parachute | 7,486 |
| 81647 | New Castle | 6,882 |
| 81652 | Silt | 6,271 |
| 81630 | De Beque | 1,058 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Garfield County, Colorado (US Census).