3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Homedale | 1 | 3,264 | 2,912 | 1.84% | 2,312 | 1 | City |
| Marsing | 2 | 1,252 | 1,231 | 0.32% | 1,838 | 1 | City |
| Grand View | 3 | 474 | 444 | 1.07% | 824 | 1 | City |
Homedale is the largest city in Owyhee County, with a population of 3,264.
Grand View is the smallest city in Owyhee County, with a population of 474.
There are 3 cities in Owyhee County, Idaho.