How Big is Illinois?

State Name
Illinois
Area (mi²)
57,914
Area (km²)
149,997
Acres
37,065,759
Area Ranking
25
% of US Size
1.6%

Similar-Sized Countries

Compared to Largest State

Illinois has approximately 8.7% the land area of Alaska. In other words, Alaska is approximately 11.49 times larger than Illinois.

Compared to Smallest State

Rhode Island has approximately 2.67% the land area of Illinois. In other words, Illinois is approximately 37.48 times larger than Rhode Island.

What is the area of Illinois?

The area of Illinois is 57,914 square miles.

Is Illinois a big or small state?

Illinois is the 25th largest state in the US.

Which states are similar size to Illinois?

The next smallest state is Iowa and the next largest state is Georgia.

Frequently Asked Questions