23 cities
| City | Rank | County | 2026 Pop. ↓ |
|---|---|---|---|
| Las Vegas | 1 | Clark County | 694,501 |
| Henderson | 2 | Clark County | 365,728 |
| North Las Vegas | 3 | Clark County | 310,464 |
| Enterprise | 4 | Clark County | 260,557 |
| Spring Valley | 5 | Clark County | 229,494 |
| Sunrise Manor | 6 | Clark County | 201,344 |
| Paradise | 7 | Clark County | 177,642 |
| Whitney | 8 | Clark County | 48,041 |
| Winchester | 9 | Clark County | 40,035 |
| Summerlin South | 10 | Clark County | 31,457 |
| Mesquite | 11 | Clark County | 25,094 |
| Boulder City | 12 | Clark County | 15,093 |
| Laughlin | 13 | Clark County | 8,948 |
| Moapa Valley | 14 | Clark County | 6,647 |
| Nellis AFB | 15 | Clark County | 5,117 |
| Bunkerville | 16 | Clark County | 1,077 |
| Moapa Town | 17 | Clark County | 954 |
| Indian Springs | 18 | Clark County | 677 |
| Mount Charleston | 19 | Clark County | 555 |
| Searchlight | 20 | Clark County | 281 |
| Blue Diamond | 21 | Clark County | 265 |
| Cal-Nev-Ari | 22 | Clark County | 227 |
| Nelson | 23 | Clark County | 36 |
Clark County is the county generally considered as Southern Nevada.