26 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vancouver | 1 | 200,919 | 191,284 | 0.97% | 4,122 | 49 | City |
| Orchards | 2 | 31,628 | 26,289 | 2.61% | 5,908 | 5 | CDP |
| Camas | 3 | 27,517 | 26,497 | 0.75% | 1,952 | 14 | City |
| Hazel Dell | 4 | 23,534 | 21,830 | 1.18% | 4,868 | 5 | CDP |
| Battle Ground | 5 | 23,482 | 20,867 | 2.28% | 2,705 | 9 | City |
| Five Corners | 6 | 21,605 | 19,415 | 1.07% | 3,710 | 6 | CDP |
| Salmon Creek | 7 | 20,469 | 19,506 | 0.26% | 3,225 | 6 | CDP |
| Washougal | 8 | 18,167 | 17,051 | 1.24% | 3,052 | 6 | City |
| Ridgefield | 9 | 16,480 | 10,872 | 7.3% | 2,226 | 7 | City |
| Minnehaha | 10 | 12,035 | 11,387 | 1.27% | 5,446 | 2 | CDP |
| Felida | 11 | 11,304 | 9,842 | 2.37% | 3,889 | 3 | CDP |
| Mount Vista | 12 | 11,036 | 9,762 | 1.96% | 2,111 | 5 | CDP |
| Barberton | 13 | 8,516 | 7,317 | 2.28% | 1,963 | 4 | CDP |
| Lake Shore | 14 | 6,591 | 7,581 | 0.02% | 4,031 | 2 | CDP |
| Hockinson | 15 | 6,098 | 6,159 | 1.46% | 442 | 14 | CDP |
| La Center | 16 | 4,451 | 3,475 | 4.58% | 1,692 | 3 | City |
| Venersborg | 17 | 4,329 | 3,973 | 0.91% | 405 | 11 | CDP |
| Lewisville | 18 | 2,662 | 2,166 | 2.42% | 492 | 5 | CDP |
| Brush Prairie | 19 | 2,616 | 2,721 | -0.08% | 340 | 8 | CDP |
| Meadow Glade | 20 | 2,352 | 2,774 | -0.55% | 647 | 4 | CDP |
| Fern Prairie | 21 | 1,962 | 1,989 | 0.31% | 391 | 5 | CDP |
| Duluth | 22 | 1,770 | 1,249 | 0.85% | 296 | 6 | CDP |
| Amboy | 23 | 1,698 | 1,871 | 0.35% | 170 | 10 | CDP |
| Yacolt | 24 | 1,636 | 1,674 | -0.49% | 2,845 | 1 | Town |
| Dollars Corner | 25 | 1,030 | 684 | 7.18% | 260 | 4 | CDP |
| Cherry Grove | 26 | 434 | 642 | -1.59% | 187 | 2 | CDP |
Vancouver is the largest city in Clark County, with a population of 200,919.
Cherry Grove is the smallest city in Clark County, with a population of 434.
There are 26 cities in Clark County, Washington.