| City | County | 2026 Pop. ↓ |
|---|---|---|
| Greenville | Greenville County | 76,180 |
| Goose Creek | Berkeley County | 53,108 |
| Greer | Greenville County | 52,676 |
| Greenwood | Greenwood County | 22,796 |
| Gantt | Greenville County | 15,248 |
| Gaffney | Cherokee County | 12,538 |
| Garden City | Horry County | 11,192 |
| Georgetown | Georgetown County | 8,986 |
| Golden Grove | Anderson County | 3,226 |
| Gloverville | Aiken County | 2,323 |
| Graniteville | Aiken County | 2,075 |
| Great Falls | Chester County | 1,958 |
| Gaston | Lexington County | 1,658 |
| Gayle Mill | Chester County | 1,167 |
| Gadsden | Richland County | 1,015 |
| Gray Court | Laurens County | 819 |
| Gilbert | Lexington County | 649 |
| Grover | Dorchester County | 480 |
| Gillisonville | Jasper County | 390 |
| Greeleyville | Williamsburg County | 353 |
| Gifford | Hampton County | 260 |
| Glenn Springs | Spartanburg County | 213 |
| Glendale | Spartanburg County | 142 |
| Gramling | Spartanburg County | 110 |
| Green Sea | Horry County | 71 |
| Govan | Bamberg County | 53 |