City | 2024 Population |
|---|---|
| Bamberg | 2,958 |
| Barnwell | 4,554 |
| Batesburg-Leesville | 5,309 |
| Baxter Village | 4,215 |
| Beaufort | 13,935 |
| Beech Island | 1,557 |
| Belton | 4,567 |
| Belvedere | 6,015 |
| Ben Avon | 2,133 |
| Bennettsville | 6,426 |
| Berea | 16,768 |
| Bethune | 336 |
| Bishopville | 2,818 |
| Blacksburg | 1,920 |
| Blackville | 1,900 |
| Blenheim | 108 |
| Bluffton | 37,544 |
| Blythewood | 6,734 |
| Boiling Springs | 12,391 |
| Bonneau | 436 |
| Bonneau Beach | 1,706 |
| Bowman | 760 |
| Boykin | 99 |
| Bradley | 199 |
| Branchville | 965 |
| Briarcliffe Acres | 565 |
| Brookdale | 3,765 |
| Browntown | 74 |
| Brunson | 412 |
| Bucksport | 836 |
| Buffalo | 1,298 |
| Buford | 338 |
| Burnettown | 3,233 |
| Burton | 7,173 |