7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Prineville | 1 | 12,318 | 10,885 | 2.39% | 960 | 12.83 | City |
| Crooked River Ranch | 2 | 5,580 | 4,639 | 7.14% | 270 | 20.69 | CDP |
| Juniper Canyon | 3 | 3,561 | 2,402 | 7.13% | 38 | 94.11 | CDP |
| Eagle Crest | 4 | 3,419 | 2,857 | 3.48% | 225 | 15.20 | CDP |
| Prineville Lake Acres | 5 | 1,582 | 1,320 | 7.11% | 240 | 6.59 | CDP |
| Ochoco West | 6 | 292 | 237 | 6.96% | 665 | 0.44 | CDP |
| Pronghorn | 7 | 229 | 83 | 7.01% | 35 | 6.58 | CDP |
Prineville is the largest city in Crook County, with a population of 12,318.
Pronghorn is the smallest city in Crook County.
There are 7 cities in Crook County, Oregon.