6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Greenville | 1 | 75,842 | 71,428 | 0.98% | 2,457 | 31 | City |
| Greer | 2 | 51,559 | 35,829 | 5.36% | 2,107 | 24 | City |
| Mauldin | 3 | 32,226 | 24,786 | 4% | 2,601 | 12 | City |
| Simpsonville | 4 | 30,314 | 23,605 | 3.83% | 3,121 | 10 | City |
| Fountain Inn | 5 | 15,423 | 10,512 | 5.61% | 1,793 | 9 | City |
| Travelers Rest | 6 | 9,530 | 7,819 | 3.08% | 1,527 | 6 | City |
Greenville is the largest city in Greenville County, with a population of 75,842.
Travelers Rest is the smallest city in Greenville County, with a population of 9,530.
There are 6 cities in Greenville County, South Carolina.