10 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Jasper | 1 | 14,576 | 14,530 | 0.05% | 492 | 30 | City |
| Sumiton | 2 | 2,495 | 2,542 | -0.32% | 433 | 6 | City |
| Carbon Hill | 3 | 1,706 | 1,757 | -0.47% | 310 | 6 | City |
| Cordova | 4 | 1,656 | 1,727 | -0.72% | 284 | 6 | City |
| Parrish | 5 | 973 | 982 | -0.1% | 465 | 2 | Town |
| Oakman | 6 | 747 | 768 | -0.4% | 242 | 3 | Town |
| Sipsey | 7 | 364 | 366 | 0% | 757 | 0 | Town |
| Nauvoo | 8 | 183 | 179 | 0.55% | 185 | 1 | Town |
| Kansas | 9 | 180 | 180 | 0% | 177 | 1 | Town |
| Eldridge | 10 | 128 | 136 | -0.78% | 89 | 1 | Town |
Jasper is the largest city in Walker County, with a population of 14,576.
Eldridge is the smallest city in Walker County, with a population of 128.
There are 10 cities in Walker County, Alabama.