8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Corinth | 1 | 14,121 | 14,609 | -0.69% | 468 | 30 | City |
| Farmington | 2 | 2,013 | 2,057 | -0.45% | 315 | 6 | Town |
| Glen | 3 | 373 | 380 | -0.53% | 80 | 5 | Town |
| Rienzi | 4 | 272 | 279 | -0.73% | 275 | 1 | Town |
| Biggersville | 5 | 160 | 217 | 7.38% | 80 | 2 | CDP |
| Kossuth | 6 | 158 | 163 | -0.63% | 164 | 1 | Village |
| Jacinto | 7 | 15 | 72 | 7.14% | 17 | 1 | CDP |
| Chalybeate | 8 | 14 | 75 | 7.69% | 18 | 1 | CDP |
Corinth is the largest city in Alcorn County, with a population of 14,121.
Chalybeate is the smallest city in Alcorn County, with a population of 14.
There are 8 cities in Alcorn County, Mississippi.