5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| East Wenatchee | 1 | 14,381 | 14,125 | 0.36% | 3,795 | 4 | City |
| Bridgeport | 2 | 2,294 | 2,128 | 1.46% | 2,140 | 1 | City |
| Rock Island | 3 | 1,830 | 1,289 | 6.27% | 1,624 | 1 | City |
| Waterville | 4 | 1,152 | 1,130 | 0.35% | 1,332 | 1 | Town |
| Mansfield | 5 | 342 | 330 | 0.59% | 1,056 | 0 | Town |
East Wenatchee is the largest city in Douglas County, with a population of 14,381.
Mansfield is the smallest city in Douglas County, with a population of 342.
There are 5 cities in Douglas County, Washington.