23 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| Las Vegas | 1 | Clark County | 686,711 |
| Henderson | 2 | Clark County | 357,883 |
| North Las Vegas | 3 | Clark County | 302,249 |
| Enterprise | 4 | Clark County | 251,053 |
| Spring Valley | 5 | Clark County | 226,300 |
| Sunrise Manor | 6 | Clark County | 200,595 |
| Paradise | 7 | Clark County | 180,487 |
| Whitney | 8 | Clark County | 47,450 |
| Winchester | 9 | Clark County | 39,281 |
| Summerlin South | 10 | Clark County | 30,997 |
| Mesquite | 11 | Clark County | 24,346 |
| Boulder City | 12 | Clark County | 15,061 |
| Laughlin | 13 | Clark County | 8,846 |
| Moapa Valley | 14 | Clark County | 6,664 |
| Nellis AFB | 15 | Clark County | 4,996 |
| Bunkerville | 16 | Clark County | 1,091 |
| Moapa Town | 17 | Clark County | 958 |
| Indian Springs | 18 | Clark County | 697 |
| Mount Charleston | 19 | Clark County | 543 |
| Searchlight | 20 | Clark County | 297 |
| Blue Diamond | 21 | Clark County | 267 |
| Cal-Nev-Ari | 22 | Clark County | 228 |
| Nelson | 23 | Clark County | 33 |
Clark County is the county generally considered as Southern Nevada.