7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Prineville | 1 | 12,173 | 10,890 | 2.15% | 949 | 13 | City |
| Crooked River Ranch | 2 | 5,580 | 4,639 | 7.14% | 270 | 21 | CDP |
| Juniper Canyon | 3 | 3,561 | 2,402 | 7.13% | 38 | 94 | CDP |
| Eagle Crest | 4 | 3,419 | 2,857 | 3.48% | 225 | 15 | CDP |
| Prineville Lake Acres | 5 | 1,582 | 1,320 | 7.11% | 240 | 7 | CDP |
| Ochoco West | 6 | 292 | 237 | 6.96% | 665 | 0 | CDP |
| Pronghorn | 7 | 229 | 83 | 7.01% | 35 | 7 | CDP |
Prineville is the largest city in Crook County, with a population of 12,173.
Pronghorn is the smallest city in Crook County, with a population of 229.
There are 7 cities in Crook County, Oregon.