| Zip Code | City | Population ↓ |
|---|---|---|
| 30741 | Rossville | 28,380 |
| 30728 | La Fayette | 18,735 |
| 30707 | Chickamauga | 17,228 |
| 30739 | Rock Spring | 7,531 |
| 30725 | Flintstone | 4,952 |
| 30750 | Lookout Mountain | 4,515 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Walker County, Georgia (US Census).