| Zip Code | City | Population ↓ |
|---|---|---|
| 35901 | Gadsden | 18,769 |
| 35903 | Gadsden | 17,113 |
| 35904 | Gadsden | 14,015 |
| 35954 | Attalla | 12,054 |
| 35906 | Rainbow City | 10,446 |
| 35907 | Gadsden | 9,357 |
| 35956 | Boaz | 8,748 |
| 35952 | Altoona | 8,415 |
| 35905 | Gadsden | 6,452 |
| 35972 | Gallant | 1,291 |
| 35990 | Walnut Grove | 70 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Etowah County, Alabama (US Census).