| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Greenville | 1 | 76,180 | 71,465 | 1.16% | 2,468 | 31 | City |
| Greer | 2 | 52,676 | 35,916 | 5.34% | 2,153 | 24 | City |
| Mauldin | 3 | 32,739 | 24,808 | 4.05% | 2,643 | 12 | City |
| Simpsonville | 4 | 29,612 | 23,633 | 4.05% | 3,049 | 10 | City |
| Fountain Inn | 5 | 15,551 | 10,511 | 5.63% | 1,808 | 9 | City |
| Travelers Rest | 6 | 9,428 | 7,821 | 3.21% | 1,511 | 6 | City |
Greenville is the largest city in Greenville County, with a population of 76,180.
Travelers Rest is the smallest city in Greenville County, with a population of 9,428.
There are 6 cities in Greenville County, South Carolina.