11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Andalusia | 1 | 8,836 | 8,845 | -0.02% | 446 | 19.81 | City |
| Opp | 2 | 6,763 | 6,748 | 0.04% | 286 | 23.66 | City |
| Florala | 3 | 1,943 | 1,920 | 0.26% | 184 | 10.53 | Town |
| River Falls | 4 | 499 | 479 | 0.81% | 73 | 6.83 | Town |
| Lockhart | 5 | 448 | 443 | 0.22% | 412 | 1.09 | Town |
| Red Level | 6 | 437 | 429 | 0.46% | 227 | 1.92 | Town |
| Carolina | 7 | 294 | 281 | 1.03% | 265 | 1.11 | Town |
| Sanford | 8 | 270 | 254 | 1.12% | 65 | 4.18 | Town |
| Horn Hill | 9 | 210 | 205 | 0.48% | 82 | 2.56 | Town |
| Gantt | 10 | 205 | 197 | 0.99% | 315 | 0.65 | Town |
| Libertyville | 11 | 108 | 108 | 0% | 208 | 0.52 | Town |
Andalusia is the largest city in Covington County, with a population of 8,836.
Libertyville is the smallest city in Covington County.
There are 11 cities in Covington County, Alabama.