8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Corinth | 1 | 14,021 | 14,615 | -0.84% | 465 | 30.16 | City |
| Farmington | 2 | 1,987 | 2,056 | -0.7% | 311 | 6.38 | Town |
| Glen | 3 | 371 | 381 | -0.54% | 80 | 4.66 | Town |
| Rienzi | 4 | 268 | 280 | -0.74% | 271 | 0.99 | Town |
| Biggersville | 5 | 160 | 217 | 7.38% | 80 | 2 | CDP |
| Kossuth | 6 | 160 | 164 | -0.62% | 166 | 0.96 | Village |
| Jacinto | 7 | 15 | 72 | 7.14% | 17 | 0.87 | CDP |
| Chalybeate | 8 | 14 | 75 | 7.69% | 18 | 0.76 | CDP |
Corinth is the largest city in Alcorn County, with a population of 14,021.
Chalybeate is the smallest city in Alcorn County.
There are 8 cities in Alcorn County, Mississippi.