8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chester | 1 | 5,196 | 5,273 | -0.29% | 1,572 | 3.31 | City |
| Lesslie | 2 | 3,114 | 3,185 | 0% | 514 | 6.06 | CDP |
| Eureka Mill | 3 | 1,992 | 2,121 | 1.74% | 1,583 | 1.26 | CDP |
| Great Falls | 4 | 1,913 | 1,948 | -0.36% | 451 | 4.24 | Town |
| Gayle Mill | 5 | 1,124 | 832 | 1.26% | 1,716 | 0.66 | CDP |
| Fort Lawn | 6 | 978 | 965 | 0.31% | 702 | 1.39 | Town |
| Richburg | 7 | 270 | 280 | -0.73% | 308 | 0.88 | Town |
| Lowrys | 8 | 181 | 185 | -0.55% | 57 | 3.16 | Town |
Chester is the largest city in Chester County, with a population of 5,196.
Lowrys is the smallest city in Chester County.
There are 8 cities in Chester County, South Carolina.