City | 2024 Population |
|---|---|
| Saline | 248 |
| Sarepta | 673 |
| Schriever | 5,204 |
| Scott | 8,908 |
| Shenandoah | 16,077 |
| Shongaloo | 141 |
| Shreveport | 174,996 |
| Sibley | 1,063 |
| Sicily Island | 337 |
| Sikes | 109 |
| Simmesport | 1,398 |
| Simpson | 549 |
| Simsboro | 795 |
| Singer | 402 |
| Siracusaville | 351 |
| Slaughter | 999 |
| Slidell | 28,448 |
| Sorrel | 514 |
| Sorrento | 1,586 |
| South Mansfield | 337 |
| South Vacherie | 2,910 |
| Spearsville | 118 |
| Spokane | 500 |
| Springfield | 454 |
| Springhill | 4,420 |
| St. Francisville | 1,509 |
| St. Gabriel | 6,831 |
| St. James | 648 |
| St. Joseph | 740 |
| St. Martinville | 5,205 |
| St. Maurice | 292 |
| St. Rose | 6,879 |
| Stanley | 129 |
| Starks | 330 |
| Start | 884 |
| Sterlington | 2,490 |
| Stonewall | 2,618 |
| Sulphur | 19,928 |
| Sun | 404 |
| Sunset | 3,124 |
| Supreme | 700 |
| Swartz | 4,953 |