
Washington County
- State:
- Georgia
- County Seat:
- Sandersville
Washington County's estimated 2025 population is 19,930 with a growth rate of 0.28% in the past year according to the most recent United States census data. Washington County is the 95th largest county in Georgia. The 2010 population was 21,096 and has seen a growth of -5.53% since that time.