State size comparison

compared to

Illinois is about 2 times smaller than Arizona.

Arizona is approximately 294,312 sq km, while Illinois is approximately 143,961 sq km, making Illinois 48.91% the size of Arizona. Meanwhile, the population of Arizona is ~6.4 million people (6.4 million more people live in Illinois).
Tip: This to-scale comparison of Arizona vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Arizona
Flip Comparison · See true size
See Illinois on top of Arizona
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Cost of Living Comparison · 7 categories - 2026 data
Arizona is 3.3% cheaper than Illinois
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