The Will County Fair is an agricultural fair in Peotone, Illinois, at Fairgrounds. The 2026 event takes place Aug 27–29, 2026. It holds a 4.4-star rating from 611 Google reviews. Will County Fair will be held on August 27-29, 2026. This fair will feature music and entertainment, carnival, commercial exhibits, grandstand entertainment, beer tent, livestock shows and exhibits, demo derby, truck and tractor pulls, chili cook-off, baby show, rides, coloring contest, kids activities, vendors, fair food, and much more. Free parking. Admission: $4.00, children under 10 free.
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