The city of Sandersville is the county seat of Washington County, Georgia, United States. The population was 5,912 at the 2010 census. It is also a part of the Central Savannah River Area. Sandersville is known as the "Kaolin Capital of the World" due to its abundance of kaolin. Geography According to the United States Census Bureau, the city has a total area of , of which is land and (0.87%) is water. The area is along the "Fall Line" that separates the Piedmont Plateau and the Atlantic Coastal Plain and is characterized by rolling hills, red clay, pine and hardwood forest, swamplands, and sand beds. The area tapers off from North to South and becomes more flat. Heading north it becomes more hilly with higher elevations. Climate Demographics 2020 census As of the 2020 United States Census, there were 5,813 people, 2,213 households, and 1,425 families residing in the city. 2011 As of the census of 2011, there were 6,097 people, 2,315 households, and 1,568 families residing in the city. The population density was . There were 2,566 housing units at an average density of . 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. There were 2,362 households, out of which 31.8% had children under the age of 18 living with them, 37.2% were married couples living together, 25.8% had a female householder with no husband present, and 32.6% were non-families. 30.0% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.13. In the city, the population was spread out, with 28.0% under the age of 18, 7.8% from 18 to 24, 26.5% from 25 to 44, 21.8% from 45 to 64, and 15.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 79.6 males. For every 100 females age 18 and over, there were 72.4 males. The median income for a household in the city was $27,201, and the median income for a family was $32,462. Males had a median income of $36,089 versus $21,765 for females. The