8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chester | 1 | 5,219 | 5,272 | -0.21% | 1,579 | 3 | City |
| Lesslie | 2 | 3,114 | 3,185 | 0% | 514 | 6 | CDP |
| Eureka Mill | 3 | 1,992 | 2,121 | 1.74% | 1,583 | 1 | CDP |
| Great Falls | 4 | 1,920 | 1,948 | -0.31% | 453 | 4 | Town |
| Gayle Mill | 5 | 1,124 | 832 | 1.26% | 1,716 | 1 | CDP |
| Fort Lawn | 6 | 984 | 964 | 0.41% | 706 | 1 | Town |
| Richburg | 7 | 268 | 280 | -1.11% | 306 | 1 | Town |
| Lowrys | 8 | 183 | 185 | -0.54% | 58 | 3 | Town |
Chester is the largest city in Chester County, with a population of 5,219.
Lowrys is the smallest city in Chester County, with a population of 183.
There are 8 cities in Chester County, South Carolina.