
Wallace
- County:
- Marlboro County
- County Seat:
- No
- Area (mi²):
- 6.575
- State:
- South Carolina
Wallace is a CDP located in Marlboro County, South Carolina. Wallace has a 2025 population of 605. Wallace is currently declining at a rate of -3.04% annually and its population has decreased by -15.15% since the most recent census, which recorded a population of 713 in 2020.
The average household income in Wallace is $41,035 with a poverty rate of 16.14%. The median age in Wallace is 54.5 years: 57.5 years for males, and 41 years for females.