8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Amory | 1 | 6,351 | 6,655 | -0.95% | 507 | 13 | City |
| Aberdeen | 2 | 4,801 | 4,960 | -0.66% | 397 | 12 | City |
| Caledonia | 3 | 1,112 | 1,137 | -0.45% | 394 | 3 | Town |
| New Hamilton | 4 | 752 | 560 | 1.9% | 212 | 4 | CDP |
| Smithville | 5 | 505 | 510 | -0.2% | 340 | 1 | Town |
| Hatley | 6 | 483 | 495 | -0.62% | 354 | 1 | Town |
| Hamilton | 7 | 181 | 248 | -9.05% | 57 | 3 | CDP |
| Gattman | 8 | 85 | 79 | 1.19% | 151 | 1 | Village |
Amory is the largest city in Monroe County, with a population of 6,351.
Gattman is the smallest city in Monroe County, with a population of 85.
There are 8 cities in Monroe County, Mississippi.