28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Las Vegas | 1 | 686,711 | 645,822 | 1.15% | 4,841 | 142 | City |
| Las Vegas | 2 | 686,711 | 647,763 | 1.15% | 4,841 | 142 | City |
| Henderson | 3 | 357,883 | 316,893 | 2.24% | 2,969 | 121 | City |
| Henderson | 4 | 357,883 | 318,660 | 2.24% | 2,969 | 121 | City |
| North Las Vegas | 5 | 302,249 | 259,472 | 2.79% | 2,870 | 105 | City |
| North Las Vegas | 6 | 302,249 | 261,173 | 2.79% | 2,870 | 105 | City |
| Enterprise | 7 | 254,706 | 214,591 | 3.98% | 3,859 | 66 | CDP |
| Spring Valley | 8 | 230,544 | 218,697 | 1.53% | 6,493 | 36 | CDP |
| Sunrise Manor | 9 | 200,563 | 198,187 | 0.37% | 5,949 | 34 | CDP |
| Paradise | 10 | 181,375 | 193,150 | -1.51% | 4,277 | 42 | CDP |
| Whitney | 11 | 46,254 | 44,488 | 1.12% | 6,792 | 7 | CDP |
| Winchester | 12 | 39,919 | 36,302 | 2.03% | 8,051 | 5 | CDP |
| Summerlin South | 13 | 31,134 | 28,716 | 1.53% | 3,215 | 10 | CDP |
| Mesquite | 14 | 24,346 | 20,456 | 3.17% | 766 | 32 | City |
| Mesquite | 15 | 24,346 | 20,608 | 3.17% | 766 | 32 | City |
| Boulder City | 16 | 15,061 | 14,876 | 0.21% | 72 | 208 | City |
| Boulder City | 17 | 15,061 | 14,900 | 0.21% | 72 | 208 | City |
| Laughlin | 18 | 8,399 | 7,997 | 0.85% | 514 | 16 | CDP |
| Moapa Valley | 19 | 7,199 | 6,708 | 0.25% | 165 | 44 | CDP |
| Nellis AFB | 20 | 4,551 | 3,770 | 2.04% | 1,661 | 3 | CDP |
| Bunkerville | 21 | 934 | 1,430 | -2.61% | 90 | 10 | CDP |
| Indian Springs | 22 | 798 | 832 | -1.6% | 44 | 18 | CDP |
| Moapa Town | 23 | 712 | 714 | -2.86% | 40 | 18 | CDP |
| Mount Charleston | 24 | 503 | 396 | 1.82% | 17 | 29 | CDP |
| Cal-Nev-Ari | 25 | 256 | 183 | 0% | 112 | 2 | CDP |
| Blue Diamond | 26 | 236 | 200 | -1.67% | 33 | 7 | CDP |
| Searchlight | 27 | 213 | 348 | -8.97% | 55 | 4 | CDP |
| Nelson | 28 | 21 | 24 | 5% | 4 | 5 | CDP |
Las Vegas is the largest city in Clark County, with a population of 686,711.
Nelson is the smallest city in Clark County, with a population of 21.
There are 28 cities in Clark County, Nevada.