5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crystal Springs | 1 | 4,577 | 4,837 | -1.12% | 843 | 5.43 | City |
| Hazlehurst | 2 | 3,397 | 3,602 | -1.19% | 767 | 4.43 | City |
| Wesson | 3 | 1,774 | 1,829 | -0.62% | 394 | 4.50 | Town |
| Beauregard | 4 | 289 | 288 | 0% | 316 | 0.92 | Village |
| Georgetown | 5 | 241 | 255 | -1.23% | 358 | 0.67 | Town |
Crystal Springs is the largest city in Copiah County, with a population of 4,577.
Georgetown is the smallest city in Copiah County.
There are 5 cities in Copiah County, Mississippi.