| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Andalusia | 1 | 8,750 | 8,837 | -0.15% | 442 | 20 | City |
| Opp | 2 | 6,740 | 6,752 | 0.03% | 285 | 24 | City |
| Florala | 3 | 1,969 | 1,929 | 0.31% | 187 | 11 | Town |
| River Falls | 4 | 498 | 484 | 0.4% | 73 | 7 | Town |
| Lockhart | 5 | 445 | 438 | 0.23% | 409 | 1 | Town |
| Red Level | 6 | 431 | 427 | 0.23% | 224 | 2 | Town |
| Carolina | 7 | 295 | 285 | 0.34% | 266 | 1 | Town |
| Sanford | 8 | 259 | 254 | 0.39% | 62 | 4 | Town |
| Horn Hill | 9 | 208 | 201 | 0.48% | 81 | 3 | Town |
| Gantt | 10 | 201 | 197 | 0% | 309 | 1 | Town |
| Libertyville | 11 | 114 | 113 | 0% | 219 | 1 | Town |
Andalusia is the largest city in Covington County, with a population of 8,750.
Libertyville is the smallest city in Covington County, with a population of 114.
There are 11 cities in Covington County, Alabama.