| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| East Wenatchee | 1 | 14,443 | 14,126 | 0.2% | 3,812 | 4 | City |
| Bridgeport | 2 | 2,302 | 2,131 | 1.23% | 2,147 | 1 | City |
| Rock Island | 3 | 1,858 | 1,289 | 5.99% | 1,649 | 1 | City |
| Waterville | 4 | 1,157 | 1,128 | 0.09% | 1,338 | 1 | Town |
| Mansfield | 5 | 344 | 330 | 0.58% | 1,062 | 0 | Town |
East Wenatchee is the largest city in Douglas County, with a population of 14,443.
Mansfield is the smallest city in Douglas County, with a population of 344.
There are 5 cities in Douglas County, Washington.