26 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Greenville | Greenville County | 75,106 |
| Goose Creek | Berkeley County | 51,375 |
| Greer | Greenville County | 48,937 |
| Greenwood | Greenwood County | 22,694 |
| Gantt | Greenville County | 14,288 |
| Gaffney | Cherokee County | 12,498 |
| Garden City | Horry County | 11,304 |
| Georgetown | Georgetown County | 8,931 |
| Golden Grove | Anderson County | 3,486 |
| Gloverville | Aiken County | 3,166 |
| Graniteville | Aiken County | 2,428 |
| Great Falls | Chester County | 1,920 |
| Gaston | Lexington County | 1,649 |
| Gadsden | Richland County | 1,308 |
| Gayle Mill | Chester County | 1,124 |
| Gray Court | Laurens County | 808 |
| Gilbert | Lexington County | 628 |
| Grover | Dorchester County | 524 |
| Gillisonville | Jasper County | 399 |
| Greeleyville | Williamsburg County | 354 |
| Gifford | Hampton County | 258 |
| Glendale | Spartanburg County | 241 |
| Glenn Springs | Spartanburg County | 234 |
| Gramling | Spartanburg County | 99 |
| Green Sea | Horry County | 79 |
| Govan | Bamberg County | 52 |