5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42728 | Columbia | 16,108 |
| 42753 | Knifley | 812 |
| 42741 | Glens Fork | 507 |
| 42715 | Breeding | 426 |
| 42742 | Gradyville | 99 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Adair County, Kentucky (US Census).