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Illinois Overview

The State of Illinois is a state of the United States of America, the 21st to be admitted to the Union. Illinois is the most populous and demographically diverse Midwestern state and the fifth most populous in the nation. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and western Illinois, and natural resources like coal, t.... More »

Illinois Quick Facts

Population
12,852,548
Capital City
Springfield
Total Area
57,918 sq mi (140,998 sq km)
Latitude
41.9555751
Longitude
-87.8892427
Time Zone
UTC-6/-5

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