Illinois Population 2018
The population of Illinois in 2018 is estimated at 12.77 million. The 2015 Census estimates put the population at 12,859,995, which was a decrease from the 2014 numbers.
Area, 56,400 sq mi (146,076 sq km).
Largest city, Chicago.
Nicknames, Inland Empire; Prairie State.
Motto, State Sovereignty National Union.
State bird, cardinal.
State flower, native violet.icated and primary metal products, and chemicals; printed and published
State tree, white oak.
Rich land, adequate rainfall (32-36 in./81-91 cm annually), and a long growing season make Illinois an important agricultural state. It consistently ranks among the top states in the production of corn and soybeans. Hogs and cattle are also principal sources of farm income. Other major crops include hay, wheat, and sorghum. Beneath the fertile topsoil lies mineral wealth, including fluorspar, bituminous coal, and oil; Illinois ranks high among the states in the production of coal, and its reserves are greater than any other state east of the Rocky Mts.
*Information from Columbia Encyclopedia, Sixth Edition