St. Andrews, South Carolina
St. Andrews is a census-designated place (CDP) in Richland County, South Carolina, United States. The population was 20,493 at the 2010 census. It is part of the Columbia, South Carolina Metropolitan Statistical Area. History The Pine Grove Rosenwald School was listed on the National Register of Historic Places in 2009. Geography St. Andrews is located at (34.043551, -81.097854). According to the United States Census Bureau, the CDP has a total area of , of which is land and , or 0.33%, is water. Demographics 2020 census As of the 2020 United States census, there were 20,675 people, 9,534 households, and 4,364 families residing in the CDP. 2000 census As of the census of 2000, there were 21,814 people, 10,497 households, and 5,091 families residing in the CDP. The population density was . There were 11,398 housing units at an average density of . The racial makeup of the CDP was 43.05% White, 52.69% African American, 0.25% Native American, 1.83% Asian, 0.07% Pacific Islander, 0.83% from other races, and 1.27% from two or more races. Hispanic or Latino of any race were 1.98% of the population. There were 10,497 households, out of which 24.1% had children under the age of 18