The Illinois State Fair is an agricultural fair in Springfield, Illinois, at Illinois State Fairgrounds. The 2026 event takes place Aug 13–23, 2026. It holds a 4.6-star rating from 294 Google reviews. One of the country's oldest state fairs, drawing more than 1.5 million visitors to Springfield each August for eleven days of livestock shows, carnival rides, grandstand concerts, and agricultural competitions on 360 acres of fairgrounds.
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