City | 2024 Population |
|---|---|
| Salem | 1,468 |
| Salt Rock | 138 |
| Sand Fork | 173 |
| Sarah Ann | 369 |
| Scarbro | 44 |
| Shady Spring | 3,695 |
| Shannondale | 3,224 |
| Shenandoah Junction | 1,281 |
| Shepherdstown | 1,539 |
| Shinnston | 2,260 |
| Shrewsbury | 147 |
| Sissonville | 1,888 |
| Sistersville | 1,301 |
| Smithers | 698 |
| Smithfield | 94 |
| Sophia | 1,068 |
| South Charleston | 13,093 |
| Spelter | 87 |
| Spencer | 1,965 |
| Sprague | 1,028 |
| Springfield | 419 |
| St. Albans | 10,241 |
| St. George | 38 |
| St. Marys | 1,738 |
| Stanaford | 1,778 |
| Star City | 1,784 |
| Stollings | 312 |
| Stonewood | 1,743 |
| Summersville | 3,318 |
| Sutton | 827 |
| Switzer | 209 |
| Sylvester | 150 |