5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Las Vegas | 1 | 686,711 | 647,763 | 1.15% | 4,841 | 142 | City |
| Henderson | 2 | 357,883 | 318,660 | 2.24% | 2,958 | 121 | City |
| North Las Vegas | 3 | 302,249 | 261,173 | 2.79% | 2,870 | 105 | City |
| Mesquite | 4 | 24,346 | 20,608 | 3.17% | 766 | 32 | City |
| Boulder City | 5 | 15,061 | 14,900 | 0.21% | 71 | 212 | City |
Las Vegas is the largest city in Clark County, with a population of 686,711.
Boulder City is the smallest city in Clark County, with a population of 15,061.
There are 5 cities in Clark County, Nevada.