| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vancouver | 1 | 201,530 | 191,267 | 0.92% | 4,134 | 49 | City |
| Camas | 2 | 27,937 | 26,570 | 0.68% | 1,953 | 14 | City |
| Battle Ground | 3 | 24,023 | 20,870 | 2.17% | 2,767 | 9 | City |
| Washougal | 4 | 18,240 | 17,046 | 1.18% | 3,065 | 6 | City |
| Ridgefield | 5 | 17,241 | 10,875 | 6.87% | 2,269 | 8 | City |
| La Center | 6 | 4,624 | 3,473 | 4.31% | 1,758 | 3 | City |
| Yacolt | 7 | 1,721 | 1,677 | -0.52% | 2,993 | 1 | Town |
Vancouver is the largest city in Clark County, with a population of 201,530.
Yacolt is the smallest city in Clark County, with a population of 1,721.
There are 7 cities in Clark County, Washington.