Sandersville is a city in Washington County, Georgia, United States. The population was 6,144 at the 2000 census. The city is the county seat of Washington County. It is known as the Kaolin Capital of the World.
According to the United States Census Bureau, the city has a total area of 10.2 square miles (23.9 km²), of which, 9.1 square miles (23.7 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.87%) is water.
As of the census of 2000, there were 6,144 people, 2,362 households, and 1,591 families residing in the city. The population density was 672.1 people per square mile (259.5/km²). There were 2,589 housing units at an average density of 283.2 per square mile (109.4/km²). The racial makeup of the city was 59.03% African American, 39.76% White, 0.11% Native American, 0.60% Asian, 0.05% Pacific Islander, 0.03% from other races, and 0.41% from two or more races. Hispanic or Latino of any race were 0.24% of the population.