10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kosciusko | 1 | 6,695 | 7,119 | -1.17% | 888 | 8 | City |
| Kosciusko | 2 | 6,695 | 7,087 | -1.17% | 888 | 8 | City |
| Standing Pine | 3 | 590 | 608 | 1.03% | 169 | 3 | CDP |
| Redwater | 4 | 484 | 708 | -2.02% | 46 | 11 | CDP |
| Ethel | 5 | 324 | 343 | -1.22% | 555 | 1 | Town |
| Ethel | 6 | 324 | 342 | -1.22% | 555 | 1 | Town |
| Sallis | 7 | 128 | 131 | -0.78% | 311 | 0 | Town |
| Sallis | 8 | 128 | 130 | -0.78% | 311 | 0 | Town |
| McCool | 9 | 104 | 103 | 0% | 111 | 1 | Town |
| McCool | 10 | 104 | 103 | 0% | 111 | 1 | Town |
Kosciusko is the largest city in Attala County, with a population of 6,695.
McCool is the smallest city in Attala County, with a population of 104.
There are 10 cities in Attala County, Mississippi.