6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 81601 | Glenwood Springs | 16,547 |
| 81637 | Gypsum | 9,733 |
| 81635 | Parachute | 7,000 |
| 81647 | New Castle | 6,528 |
| 81652 | Silt | 6,059 |
| 81630 | De Beque | 1,119 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Garfield County, Colorado (US Census).