Illinois
STATE

Illinois

IL

Illinois’s nickname is Prairie State. It was the 21st admitted state. It was officialy ratified on Dec 03, 1818. Illinois has an average population of 12,947,252 spread between the coordinates of 40.349457 Latitude and -88.986137 Longitude.

CAPITAL

Springfield

NICKNAME

Prairie State

POPULATION

12,947,252

AREA

55,584 mi²

ZIP CODES

60001 to 62999

AREACODES

13

POST OFFICES

502

COUNTIES

102

CITIES

2757

LAT/LONG

40.349457 / -88.986137

CURRENT TIME

20:38

Browse Illinois ZIP Codes

Frequently Asked Questions

Illinois is also known as Prairie State.

The capital city of Illinois is Springfield.

Illinois has a total population of 12,947,252.

The Illinois ratification of Constitution happened on Dec 03, 1818.

Illinois has a total of 2757 cities.

Illinois has a total of 102 counties.

Illinois has a total of 502 postal offices.

Illinois has a total of 13 area codes.

Reference

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