| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Abbeville | 1 | 4,910 | 4,843 | 0.16% | 790 | 6 | City |
| Calhoun Falls | 2 | 1,788 | 1,727 | 0.51% | 528 | 3 | Town |
| Due West | 3 | 1,315 | 1,230 | 1.23% | 804 | 2 | Town |
| Donalds | 4 | 318 | 311 | 0.32% | 382 | 1 | Town |
| Lowndesville | 5 | 121 | 119 | 0% | 156 | 1 | Town |
Abbeville is the largest city in Abbeville County, with a population of 4,910.
Lowndesville is the smallest city in Abbeville County, with a population of 121.
There are 5 cities in Abbeville County, South Carolina.