Founded in 1868, Dorchester County is one of 46 counties in the state of South Carolina. Historically, Dorchester County was formed from Berkeley and Colleton. The city of St. George is the county seat. With FIPS code of 35, Dorchester County has a population of 163,327 and area of 577 square miles (1,494 km2).
List of all cities in Dorchester County, SC alphabetically
| City/Town | Postal Code | Area Code |
| Charleston, SC | 29420 | 843 |
| Dorchester, SC | 29437 | 843 |
| Grover, SC | 29447 | 843 |
| Harleyville, SC | 29448 | 843 |
| Knightsville, SC | 29483 | 843 |
| Ladson, SC | 29485 | 843 |
| Lincolnville, SC | 29485 | 843 |
| No Chas, SC | 29420 | 843 |
| North Charleston, SC | 29420 | 843 |
| Reevesville, SC | 29471 | 843 |
| Ridgeville, SC | 29472 | 843 |
| Saint George, SC | 29477 | 843 |
| Summerville, SC | 29483 | 843 |
| 29484 | 843 | |
| 29485 | 843 |