10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Jasper | 1 | 14,386 | 14,540 | -0.22% | 489 | 29.40 | City |
| Sumiton | 2 | 2,498 | 2,573 | -0.6% | 433 | 5.77 | City |
| Carbon Hill | 3 | 1,715 | 1,755 | -0.46% | 311 | 5.51 | City |
| Cordova | 4 | 1,640 | 1,720 | -0.97% | 281 | 5.83 | City |
| Parrish | 5 | 963 | 980 | -0.31% | 460 | 2.09 | Town |
| Oakman | 6 | 741 | 766 | -0.67% | 240 | 3.08 | Town |
| Sipsey | 7 | 349 | 356 | -0.29% | 726 | 0.48 | Town |
| Nauvoo | 8 | 184 | 186 | 0% | 186 | 0.99 | Town |
| Kansas | 9 | 173 | 180 | -0.57% | 170 | 1.02 | Town |
| Eldridge | 10 | 135 | 140 | -0.74% | 94 | 1.44 | Town |
Jasper is the largest city in Walker County, with a population of 14,386.
Eldridge is the smallest city in Walker County.
There are 10 cities in Walker County, Alabama.