| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fairfield | 1 | 514 | 446 | 2.59% | 587 | 1 | City |
Fairfield is the largest city in Camas County, with a population of 514.
Fairfield is the smallest city in Camas County, with a population of 514.
There is 1 city in Camas County, Idaho.