Founded in 1802, Claiborne County is one of 82 counties in the state of Mississippi. Historically, Claiborne County was formed from Jefferson (Pickering) County. The city of Port Gibson is the county seat. With FIPS code of 21, Claiborne County has a population of 8,908 and area of 487 square miles (1,261 km2).
List of all cities in Claiborne County, MS alphabetically
| City/Town | Postal Code | Area Code |
| Carlisle, MS | 39086 | 601/769 |
| Carpenter, MS | 39086 | 601/769 |
| Grand Gulf, MS | 39150 | 601/769 |
| Hermanville, MS | 39086 | 601/769 |
| Pattison, MS | 39144 | 601/769 |
| Port Gibson, MS | 39150 | 601/769 |