Founded in 1870, Rockdale County is one of 159 counties in the state of Georgia. Historically, Rockdale County was formed from Henry and Newton counties. The city of Conyers is the county seat. With FIPS code of 247, Rockdale County has a population of 94,082 and area of 131 square miles (339 km2).
List of all cities in Rockdale County, GA alphabetically
| City/Town | Postal Code | Area Code |
| Conyers, GA | 30012 | 770/678/470 |
| 30013 | 770/678/470 | |
| 30094 | 770/678/470 |
Map of Cities in Rockdale County, GA
