7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vancouver | 1 | 202,846 | 191,284 | 0.96% | 4,161 | 49 | City |
| Camas | 2 | 27,721 | 26,497 | 0.74% | 1,938 | 14 | City |
| Battle Ground | 3 | 24,005 | 20,867 | 2.23% | 2,765 | 9 | City |
| Washougal | 4 | 18,390 | 17,051 | 1.23% | 3,090 | 6 | City |
| Ridgefield | 5 | 17,602 | 10,872 | 6.81% | 2,316 | 8 | City |
| La Center | 6 | 4,646 | 3,475 | 4.38% | 1,767 | 3 | City |
| Yacolt | 7 | 1,629 | 1,674 | -0.43% | 2,833 | 1 | Town |
Vancouver is the largest city in Clark County, with a population of 202,846.
Yacolt is the smallest city in Clark County, with a population of 1,629.
There are 7 cities in Clark County, Washington.