What is the Illinois State Fair?The Illinois State Fair is an annual festival, centering on the theme of agriculture, hosted by the U.S state of Illinois.The state fair has been celebrated almost every year since 1853. Today, the Illinois State Fair is one of the largest agricultural fairs in the USA.In addition to livestock shows and auctions, the Illinois State Fair also features free entertainment stages, exciting harness races, thrilling carnival rides, great food, and so much more! Need to knowThis is a ticketed event but children under 12 go free! Look out for certain free admission days for veterans and seniors.Did you know?Every year on the 1st Thursday, the Twilight Parade marches through Springfield kicking of the 10 days of entertainment.For more information on this wonderful event, click on the link provided on this page and plan your next unforgettable experience. Don't forget to rate and review it right here if you do attend!