| Official Name: | St. Andrews, South Carolina |
| Settlement Type: | Census-designated place |
| Mapsize: | 300px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Carolina |
| Subdivision Type2: | County |
| Subdivision Name2: | Richland |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 15.99 |
| Area Land Km2: | 15.92 |
| Area Water Km2: | 0.06 |
| Area Total Sq Mi: | 6.17 |
| Area Land Sq Mi: | 6.15 |
| Area Water Sq Mi: | 0.02 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 20675 |
| Population Density Km2: | 1298.37 |
| Population Density Sq Mi: | 3362.88 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 315 |
| Coordinates: | 34.0436°N -81.0978°W |
| Blank Name: | FIPS code |
| Blank Info: | 45-62395[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1867529 |
St. Andrews is a census-designated place (CDP) in Richland County, South Carolina, United States. The population was 20,493 at the 2010 census.[4] It is part of the Columbia, South Carolina Metropolitan Statistical Area.
The Pine Grove Rosenwald School was listed on the National Register of Historic Places in 2009.
St. Andrews is located at 34.0436°N -81.0978°W (34.043551, -81.097854).[5]
According to the United States Census Bureau, the CDP has a total area of 16.5sqkm, of which 16.4sqkm is land and 0.1sqkm, or 0.33%, is water.[4]
| White (non-Hispanic) | 4,798 | 23.21% | |
| Black or African American (non-Hispanic) | 13,351 | 64.58% | |
| Native American | 39 | 0.19% | |
| Asian | 588 | 2.84% | |
| Pacific Islander | 16 | 0.08% | |
| Other/Mixed | 905 | 4.38% | |
| Hispanic or Latino | 978 | 4.73% |
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 3167.8sp=usNaNsp=us. There were 11,398 housing units at an average density of 1655.2sp=usNaNsp=us. 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 living with them, 28.8% were married couples living together, 16.1% had a female householder with no husband present, and 51.5% were non-families. 40.5% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.83.
In the CDP, the population was spread out, with 21.2% under the age of 18, 15.8% from 18 to 24, 36.8% from 25 to 44, 17.6% from 45 to 64, and 8.6% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 86.3 males. For every 100 females age 18 and over, there were 82.8 males.
The median income for a household in the CDP was $34,551, and the median income for a family was $42,088. Males had a median income of $31,114 versus $25,329 for females. The per capita income for the CDP was $20,201. About 10.5% of families and 13.1% of the population were below the poverty line, including 20.5% of those under age 18 and 6.2% of those age 65 or over.
St. Andrews has a public library, a branch of the Richland County Library.[7]