16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Goldendale | 1 | 3,541 | 3,454 | 0.45% | 1,196 | 3 | City |
| Goldendale | 2 | 3,541 | 3,458 | 0.45% | 1,196 | 3 | City |
| White Salmon | 3 | 2,630 | 2,490 | 0.96% | 1,710 | 2 | City |
| White Salmon | 4 | 2,630 | 2,503 | 0.96% | 1,710 | 2 | City |
| Dallesport | 5 | 1,482 | 1,357 | 1.3% | 220 | 7 | CDP |
| Bingen | 6 | 982 | 776 | 4.25% | 1,579 | 1 | City |
| Bingen | 7 | 982 | 779 | 4.25% | 1,579 | 1 | City |
| Trout Lake | 8 | 888 | 771 | 2.54% | 128 | 7 | CDP |
| Wishram | 9 | 542 | 537 | 2.46% | 328 | 2 | CDP |
| Klickitat | 10 | 328 | 262 | -0.61% | 350 | 1 | CDP |
| Glenwood | 11 | 275 | 303 | 7% | 294 | 1 | CDP |
| Roosevelt | 12 | 201 | 108 | 1.52% | 53 | 4 | CDP |
| Lyle | 13 | 193 | 267 | -9.39% | 273 | 1 | CDP |
| Centerville | 14 | 113 | 118 | 0% | 34 | 3 | CDP |
| Bickleton | 15 | 98 | 100 | 7.69% | 21 | 5 | CDP |
| Maryhill | 16 | 46 | 44 | 6.98% | 16 | 3 | CDP |
Goldendale is the largest city in Klickitat County, with a population of 3,541.
Maryhill is the smallest city in Klickitat County, with a population of 46.
There are 16 cities in Klickitat County, Washington.