City | 2024 Population |
|---|---|
| Saline | 255 |
| Sarepta | 671 |
| Schriever | 5,204 |
| Scott | 8,610 |
| Shenandoah | 16,077 |
| Shongaloo | 143 |
| Shreveport | 173,479 |
| Sibley | 1,056 |
| Sicily Island | 334 |
| Sikes | 108 |
| Simmesport | 1,392 |
| Simpson | 552 |
| Simsboro | 796 |
| Singer | 402 |
| Siracusaville | 351 |
| Slaughter | 977 |
| Slidell | 28,582 |
| Sorrel | 514 |
| Sorrento | 1,596 |
| South Mansfield | 332 |
| South Vacherie | 2,910 |
| Spearsville | 118 |
| Spokane | 500 |
| Springfield | 463 |
| Springhill | 4,378 |
| St. Francisville | 1,523 |
| St. Gabriel | 6,790 |
| St. James | 648 |
| St. Joseph | 730 |
| St. Martinville | 5,193 |
| St. Maurice | 292 |
| St. Rose | 6,879 |
| Stanley | 128 |
| Starks | 330 |
| Start | 884 |
| Sterlington | 2,301 |
| Stonewall | 2,735 |
| Sulphur | 18,869 |
| Sun | 411 |
| Sunset | 3,167 |
| Supreme | 700 |
| Swartz | 4,953 |