5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| East Wenatchee | 1 | 14,432 | 14,125 | 0.35% | 3,809 | 4 | City |
| Bridgeport | 2 | 2,327 | 2,128 | 1.44% | 2,171 | 1 | City |
| Rock Island | 3 | 1,938 | 1,289 | 5.9% | 1,720 | 1 | City |
| Waterville | 4 | 1,157 | 1,130 | 0.43% | 1,338 | 1 | Town |
| Mansfield | 5 | 345 | 330 | 0.88% | 1,065 | 0 | Town |
East Wenatchee is the largest city in Douglas County, with a population of 14,432.
Mansfield is the smallest city in Douglas County, with a population of 345.
There are 5 cities in Douglas County, Washington.