State Fair Illinois 2025. The event lineup for the illinois state fair has been announced for 2025. At this year's illinois state fair, concert headliners range from country superstars to rap phenoms to rock legends.

At this year’s illinois state fair, concert headliners range from country superstars to rap phenoms to rock legends. Whether you’re here for agricultural reasons, deep love of fried food, or some fantastic live music, there’s definitely something for you at the illinois state fair.