| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crystal Springs | 1 | 4,591 | 4,812 | -0.82% | 846 | 5 | City |
| Hazlehurst | 2 | 3,399 | 3,607 | -1.05% | 767 | 4 | City |
| Wesson | 3 | 1,756 | 1,828 | -0.73% | 390 | 5 | Town |
| Beauregard | 4 | 278 | 285 | -0.71% | 303 | 1 | Village |
| Georgetown | 5 | 242 | 256 | -1.22% | 360 | 1 | Town |
Crystal Springs is the largest city in Copiah County, with a population of 4,591.
Georgetown is the smallest city in Copiah County, with a population of 242.
There are 5 cities in Copiah County, Mississippi.