Winnebago County Fair 2024 Dates. Learn why you should run winnebago county fair in pecatonica, il. The winnebago county fair association will proudly host the 2024 winnebago county fair from july 31st to august 4th, 2024.

Dockdogs, wildlife petting zoo, demo derbies, magic shows, comedy shows, cup stacking competition, 4h exhibits, tractor. Experience the joy of the winnebago county fair in pecatonica, il!