| Official Name: | Pine Ridge, South Carolina |
| Settlement Type: | Census-designated place |
| Pushpin Map: | South Carolina#USA |
| Pushpin Label: | Pine Ridge |
| Pushpin Label Position: | top |
| Coordinates: | 34.3947°N -80.1631°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Carolina |
| Subdivision Type2: | County |
| Subdivision Name2: | Darlington |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 2.27 |
| Area Land Sq Mi: | 2.27 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 5.88 |
| Area Land Km2: | 5.88 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Density Km2: | 137.30 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 270 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 29550 (Hartsville) |
| Area Code: | 843/854 |
| Blank Name: | FIPS code |
| Blank Info: | 45-56905 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2812948 |
| Population Total: | 807 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 355.66 |
Pine Ridge is an unincorporated community and census-designated place (CDP) in Darlington County, South Carolina, United States. It was first listed as a CDP prior to the 2020 census with a population of 807.[2]
The CDP is in northwestern Darlington County, along South Carolina Highway 151, which leads southeast 6miles to Hartsville and northwest 7miles to McBee. A portion of the eastern border of the CDP follows Black Creek, a southeast-flowing tributary of the Great Pee Dee River, and the south border of the CDP follows Beaverdam Creek, an east-flowing tributary of Black Creek. The H. B. Robinson Nuclear Generating Station is just outside the northeast border of the CDP, adjacent to Lake Robinson, a reservoir built on Black Creek.
| White alone (NH) | 643 | 79.68% | |
| Black or African American alone (NH) | 73 | 9.05% | |
| Native American or Alaska Native alone (NH) | 5 | 0.62% | |
| Asian alone (NH) | 9 | 1.12% | |
| Pacific Islander alone (NH) | 0 | 0.00% | |
| Some Other Race alone (NH) | 5 | 0.62% | |
| Mixed Race/Multi-Racial (NH) | 20 | 2.48% | |
| Hispanic or Latino (any race) | 52 | 6.44% | |
| Total | 807 | 100.00% |