18 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Spring Valley | Clark County | 226,300 |
| Sunrise Manor | Clark County | 200,595 |
| Sparks | Washoe County | 112,178 |
| Summerlin South | Clark County | 30,997 |
| Sun Valley | Washoe County | 23,220 |
| Spanish Springs | Washoe County | 17,889 |
| Spring Creek | Elko County | 15,368 |
| Silver Springs | Lyon County | 5,558 |
| Stagecoach | Lyon County | 1,942 |
| Sandy Valley | Inyo County | 1,706 |
| Smith Valley | Lyon County | 1,620 |
| Schurz | Mineral County | 836 |
| Stateline | Douglas County | 624 |
| Sutcliffe | Washoe County | 383 |
| Skyland | Douglas County | 309 |
| Searchlight | Clark County | 297 |
| Silver Peak | Esmeralda County | 244 |
| Silver City | Lyon County | 128 |