[b] Of the fifty U.S. states, Illinois has the fifth-largest gross domestic product (GDP), the sixth-largest population, and the 25th-most land area. Its capital city is Springfield in the center of the state, and the state's largest city is Chicago, located in northeastern Illinois.

Welcome to Illinois.gov! Find places to go, things to see. Search through all the different services offered by the various Illinois agencies.

Illinois, Amerika Birleşik Devletleri'nin Ortabatı bölgesi 'ndedir ve Kuzey Amerika'nın Büyük Göller bölgesindeki sekiz eyaletten biridir (aynı zamanda Ontario, Kanada'yı da kapsar).

Illinois is a state in the Midwestern United States. It shares its borders with Wisconsin to the north and Indiana to the east, while the Mississippi River forms its western border with Iowa and Missouri.

Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.

Geographical and historical treatment of Illinois, including maps and a survey of its people, economy, and government. Its capital city is Springfield, and its largest city and most important cultural and economic center is Chicago.

Your guide to the best of Illinois. Places to go, things to do, the best places to eat and drink, must-see Chicago, trip ideas and inspiration for your Illinois vacation.

Illinois has a maximum north–south distance of 390 miles (630 km) and 210 miles (340 km) east-west. Total area is 57,918 square miles (150,010 km2), ranked 25th in size of the 50 states.

Illinois is a midwestern state bordering Indiana in the east and the Mississippi River in the west. Nicknamed "the Prairie State," it's marked by farmland, forests, rolling hills and wetlands.

Illinois was once known to be a swing state (voted for either Democratic Party or the Republican Party). Today, Illinois is known to be a blue state, voting for the Democratic Party.