Canfield County Fair 2024 Calendar.  — when is the canfield fair in 2024? For six days in late august/early september, they serve as the home for the canfield fair, the largest county fair in the state of ohio and one of the largest in the nation.

Ohio’s largest county fair, the fairgrounds cover 350 acres with a. Start time 8/28/2024 9:00:00 pm.