3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hardeeville | 1 | 14,679 | 7,723 | 10.47% | 259 | 56.71 | City |
| Ridgeland | 2 | 3,753 | 3,743 | 0.05% | 78 | 48.34 | Town |
| Gillisonville | 3 | 399 | 70 | 7.26% | 338 | 1.18 | CDP |
Hardeeville is the largest city in Jasper County, with a population of 14,679.
Gillisonville is the smallest city in Jasper County.
There are 3 cities in Jasper County, South Carolina.