| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Las Vegas | 1 | 686,686 | 647,676 | 1.01% | 4,841 | 142 | City |
| Henderson | 2 | 360,644 | 318,489 | 2.08% | 2,981 | 121 | City |
| North Las Vegas | 3 | 304,442 | 261,164 | 2.63% | 2,891 | 105 | City |
| Mesquite | 4 | 24,715 | 20,608 | 2.97% | 778 | 32 | City |
| Boulder City | 5 | 14,897 | 14,900 | 0.09% | 70 | 212 | City |
Las Vegas is the largest city in Clark County, with a population of 686,686.
Boulder City is the smallest city in Clark County, with a population of 14,897.
There are 5 cities in Clark County, Nevada.