| Zip Code | City | Population ↓ |
|---|---|---|
| 81504 | Grand Junction | 31,380 |
| 81501 | Grand Junction | 23,998 |
| 81521 | Fruita | 16,431 |
| 81507 | Grand Junction | 16,162 |
| 81503 | Grand Junction | 16,152 |
| 81520 | Clifton | 13,682 |
| 81506 | Grand Junction | 11,879 |
| 81505 | Grand Junction | 11,629 |
| 81526 | Palisade | 5,110 |
| 81524 | Loma | 2,670 |
| 81624 | Collbran | 1,610 |
| 81527 | Whitewater | 1,497 |
| 81525 | Mack | 1,490 |
| 81523 | Glade Park | 669 |
| 81643 | Mesa | 468 |
| 81646 | Molina | 258 |
| 81522 | Gateway | 107 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Mesa County, Colorado (US Census).