Ohio State Fair 2024 Dates. The ohio department of agriculture released the official dates for the 2024 fair season, which includes ohio’s 94 county and independent fairs and the ohio state fair. 2025 important dates online application opens:

The ohio department of agriculture released the official dates for the 2024 fair season, which includes ohio’s 94 county and independent fairs and the ohio state fair. Most buildings and activities close at 6 p.m.