26 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Greenville | Greenville County | 73,964 |
| Goose Creek | Berkeley County | 51,248 |
| Greer | Greenville County | 50,113 |
| Greenwood | Greenwood County | 22,456 |
| Gantt | Greenville County | 14,288 |
| Gaffney | Cherokee County | 12,312 |
| Garden City | Horry County | 11,304 |
| Georgetown | Georgetown County | 8,926 |
| Golden Grove | Anderson County | 3,486 |
| Gloverville | Aiken County | 3,166 |
| Graniteville | Aiken County | 2,428 |
| Great Falls | Chester County | 1,913 |
| Gaston | Lexington County | 1,646 |
| Gadsden | Richland County | 1,308 |
| Gayle Mill | Chester County | 1,124 |
| Gray Court | Laurens County | 782 |
| Gilbert | Lexington County | 632 |
| Grover | Dorchester County | 524 |
| Gillisonville | Jasper County | 399 |
| Greeleyville | Williamsburg County | 352 |
| Gifford | Hampton County | 246 |
| Glendale | Spartanburg County | 241 |
| Glenn Springs | Spartanburg County | 234 |
| Gramling | Spartanburg County | 99 |
| Green Sea | Horry County | 79 |
| Govan | Bamberg County | 50 |