Founded in 1784, Washington County is one of 159 counties in the state of Georgia. Historically, Washington County was formed from Creek Cession of 1783. The city of Sandersville is the county seat. With FIPS code of 303, Washington County has a population of 19,785 and area of 680 square miles (1,761 km2).
List of all cities in Washington County, GA alphabetically
| City/Town | Postal Code | Area Code |
| Davisboro, GA | 31018 | 478 |
| Deepstep, GA | 31082 | 478 |
| Harrison, GA | 31035 | 478 |
| Oconee, GA | 31067 | 478 |
| Sandersville, GA | 31082 | 478 |
| Tennille, GA | 31089 | 478 |
| Warthen, GA | 31094 | 478 |
Map of Cities in Washington County, GA
