Marlboro County, South Carolina Cities (2025)

6 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Bennettsville16,3126,881-1.77%1,0226.18 City
McColl21,9432,068-1.27%1,8501.05 Town
Wallace3605713-3.04%926.58 CDP
Clio4567604-1.22%6620.86 Town
Blenheim5107114-0.93%1640.65 Town
Tatum66974-1.43%760.91 Town

Marlboro County Cities Summary

Largest City

Bennettsville is the largest city in Marlboro County, with a population of 6,312.

Smallest City

Tatum is the smallest city in Marlboro County.

10 Largest Cities

There are 6 cities in Marlboro County, South Carolina.