
Bennettsville
- County:
- Marlboro County
- County Seat:
- No
- Area (mi²):
- 6.177
- State:
- South Carolina
Bennettsville is a city located in Marlboro County, South Carolina. Bennettsville has a 2025 population of 6,312. Bennettsville is currently declining at a rate of -1.77% annually and its population has decreased by -8.27% since the most recent census, which recorded a population of 6,881 in 2020.
The average household income in Bennettsville is $55,901 with a poverty rate of 23.47%. The median age in Bennettsville is 40.9 years: 38.6 years for males, and 45.3 years for females.