3K
| Designation | Symbol / Emblem |
| American Folk Dance | Square Dance |
| Amphibian | Eastern Tiger Salamander Ambystoma tigrinum |
| Animal | White-tailed Deer (Odocoileus virginianus) |
| Bird | Cardinal (Cardinalis cardinalis) |
| Fish | Bluegill (Lepomis macrochirus) |
| Flag | Flag of Illinois |
| Flower | Native Violet (Violaceae) |
| Fossil | The Tully Monster (Tullimonstrum gregarium) |
| Insect | Monarch Butterfly (Danaus plexippus) |
| Language | English |
| Mineral | Fluorite(Calcium fluoride) |
| Prairie Grass | Big Bluestem (Andropogon gerardii Vitman) |
| Reptile | Painted Turtle (Chrysemys picta picta) |
| Slogan | Land of Lincoln |
| Snackfood | Popcorn |
| Soil | Drummer Series* |
| Song | Illinois words by C.H. Chamberlain, music by Archibald Johnson |
| Theatre | The Great American People Show |
| Tree | White Oak (Quercus alba) |