| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Homedale | 1 | 3,197 | 2,917 | 1.88% | 2,264 | 1 | City |
| Marsing | 2 | 1,234 | 1,229 | 0.33% | 1,812 | 1 | City |
| Grand View | 3 | 467 | 445 | 1.3% | 812 | 1 | City |
Homedale is the largest city in Owyhee County, with a population of 3,197.
Grand View is the smallest city in Owyhee County, with a population of 467.
There are 3 cities in Owyhee County, Idaho.