| Place Name | Plum Branch |
| Place Type | Town |
| ZIP Code(s) | 29845 |
| County | Mccormick County |
| Area Code(s) | 864 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 101 |
| Population Growth Rate (2010-19) | -12.20% |
| Majority Ethnicity | White 91.67% |
| US Congressional District(s) | South Carolina 3rd |
| State House Districts | 12 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.67% |
| African American | 8.33% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |