- The government of Illinois, under the Constitution of Illinois, has three branches of government: executive, legislative and judicial.
- During that war, more than 250,000 Illinois men – including General Ulysses S. Grant, who became the 18th president – served in the Union Army.
- The most populated cities in Illinois are Chicago with 2,664,452, Aurora at 177,563, Joliet with 150,489, Naperville at 150,245, and Rockford with 146,120.
- One of the intereting Illinois facts is that Boeing, the world’s largest commercial aerospace company, is headquartered in Chicago, Illinois.
- Discover 351 hidden attractions, cool sights, and unusual things to do in Illinois from International Museum of Surgical Science to Garfield Park Conservatory.
- Another interesting Illinois word is the name of the celebrated chief, which the French made Chachagouache.
- Illinois constitutes the 21st state of the United States, located in the former Northwest Territory. ... The U.S. postal abbreviation for the state is IL.
- The population development of the State of Illinois according to census results and latest official estimates. ... Population Estimate (E) 2023-07-01. Illinois. IL. FSt.
- Illinois has long been considered a microcosm of the United States and a bellwether in American culture, exemplified by the phrase Will it play in Peoria?.[7].