Ada County Fair 2025. Make plans to attend this year’s western idaho fair! With events and attractions for all ages, there's something for everyone at the western idaho fair!

The 2021 western idaho fair starts friday august 20, 2021 and continues through august 29, 2021. 2024 fair market rents for ada county, id, including 40th percentile rents, 50th (median) rents, and small area rents (by zip code).