Illinois State Map, Detailed map of Illinois

Illinois, is a state of the United States of America. Illinois is the 21st state of the USA constituted in 1818. Springfield is the capital city of Illinois.

Where in the United States is Illinois? Location map of Illinois in the US. Location map of Illinois in the US

General Map of Illinois, United States.

The detailed map shows the US state of Illinois with boundaries, the location of the state capital Springfield, major cities and populated places, rivers and lakes, interstate highways, principal highways, and railroads.

A map of the United States of America with the State of Illinois highlighted.

Illinois is divided into 102 counties.

Illinois - Quick Facts

Country:United States
Region Type: State
Abbreviation:IL. US-IL
Joined The Union:December 3, 1818
Nickname:Prairie State
Official Website:

Illinois Area Codes

Area Codes in Illinois - Below are all the area codes in Illinois. Clicking on an area code will show the cities in that area code.

Illinois has area codes of 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872.
Flag of Illinois, United States
What does the flag of Illinois look like?
The flag of Illinois, often referred to as the Illinois flag, is the state flag of Illinois. State flag of Illinois in the US

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