
Fairfield
- County:
- Camas County
- County Seat:
- Yes
- Area (mi²):
- 0.876
- State:
- Idaho
Fairfield is a city located in Camas County, Idaho. Fairfield has a 2025 population of 516. It is also the county seat of .Fairfield is currently growing at a rate of 2.79% annually and its population has increased by 15.18% since the most recent census, which recorded a population of 448 in 2020.
The average household income in Fairfield is $90,611 with a poverty rate of 1.93%. The median age in Fairfield is 34.7 years: 35.8 years for males, and 34.5 years for females.