5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Enterprise | 1 | 2,179 | 2,056 | 1.16% | 1,485 | 1.47 | City |
| Joseph | 2 | 1,224 | 1,158 | 1.07% | 1,350 | 0.91 | City |
| Wallowa | 3 | 846 | 801 | 1.08% | 1,385 | 0.61 | City |
| Lostine | 4 | 259 | 239 | 1.57% | 899 | 0.29 | City |
| Wallowa Lake | 5 | 120 | 52 | 7.14% | 65 | 1.83 | CDP |
Enterprise is the largest city in Wallowa County, with a population of 2,179.
Wallowa Lake is the smallest city in Wallowa County, with a population of 120.
There are 5 cities in Wallowa County, Oregon.