Information about Illinois (IL)
| State Code | IL |
|---|---|
| State Nickname | Prairie State |
| Entered into Statehood | December 3, 1818 |
| State Constitution | 21st State |
| Area Codes | 217, 309, 312, 618, 630, 708, 773, 815, 847, |
| State Flower | Purple Violet (Viola) |
| State Bird | Cardinal |
| Counties in Illinois | Counties in Illinois |
| Zipcodes in Illinois | Zip codes in Illinois |
| Illinois's Largest Cities | Chicago, Rockford, Aurora, Naperville, Peoria, Springfield, Joliet, Elgin, Waukegan |
| Weather | Illinois Weather |
| State Parks | Illinois State Parks |
| Illinois Industry | Chemical products, Coal, Electric equipment, Fabricated metal products, Food processing, Petroleum, Printing and publishing, Transportation equipment, Machinery |
| Illinois Agriculture | Cattle, Dairy products, Hogs, Soybeans, Wheat, Corn |