Illinois State Fairgrounds Location 801 E. Sangamon Ave.SpringfieldIllinois62702 Next Event Sensory-Friendly Hours and Activities at the Illinois State Fair in Springfield - Thursday, August 8, 2024 - Sunday, August 11, 2024 - 10:00 am - 7:00 pm Upcoming Events Sensory-Friendly Hours and Activities at the Illinois State Fair in Springfield - Thursday, August 8, 2024 - Sunday, August 11, 2024 - 10:00 am - 7:00 pm