Plum Branch is a town located in McCormick County, South Carolina. Plum Branch has a 2026 population of 83. Plum Branch is currently growing at a rate of 1.22% annually and its population has increased by 5.06% since the most recent census, which recorded a population of 79 in 2020.
The median age in Plum Branch is 56.3 years: 52.8 years for males, and 56.8 years for females. For every 100 females there are 156.8 males.
Data after 2023 is projected based on recent change
Overall: 56.3 years
Female: 56.8 years
Male: 52.8 years
There are 87 adults, (36 of whom are seniors) in Plum Branch.
Female: 37 (38.9%)
Male: 58 (61.1%)
The racial composition of Plum Branch includes 93.68% White, 6.32% Black or African American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 89 | 93.68% |
| Black or African American | 6 | 6.32% |