Founded in 1828, Rankin County is one of 82 counties in the state of Mississippi. Historically, Rankin County was formed from Hinds County. The city of Brandon is the county seat. With FIPS code of 121, Rankin County has a population of 158,096 and area of 775 square miles (2,007 km2).
List of all cities in Rankin County, MS alphabetically
| City/Town | Postal Code | Area Code |
| Brandon, MS | 39042 | 601/769 |
| 39043 | 601/769 | |
| 39047 | 601/769 | |
| Florence, MS | 39073 | 601/769 |
| Flowood, MS | 39232 | 601/769 |
| Jackson, MS | 39208 | 601/769 |
| 39218 | 601/769 | |
| 39232 | 601/769 | |
| 39288 | 601/769 | |
| 39298 | 601/769 | |
| Pearl, MS | 39208 | 601/769 |
| Pearl, MS | 39288 | 601/769 |
| Pelahatchie, MS | 39145 | 601/769 |
| Piney Woods, MS | 39148 | 601/769 |
| Puckett, MS | 39151 | 601/769 |
| Reservoir, MS | 39042 | 601/769 |
| 39047 | 601/769 | |
| Richland, MS | 39218 | 601/769 |
| Sandhill, MS | 39161 | 601/769 |
| Star, MS | 39167 | 601/769 |
| Whitfield, MS | 39193 | 601/769 |