State size comparison

compared to

Illinois is about 1.6 times bigger than Indiana.

Indiana is approximately 92,895 sq km, while Illinois is approximately 143,961 sq km, making Illinois 55% larger than Indiana. Meanwhile, the population of Indiana is ~6.5 million people (6.3 million more people live in Illinois).
Tip: This to-scale comparison of Indiana vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Indiana

Flip Comparison · See true size
See Illinois on top of Indiana
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Quality of Life Comparison · 15 statistics
Be 43.7% less likely to be unemployed in Indiana
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Cost of Living Comparison · 7 categories - 2026 data
Indiana is 11.6% cheaper than Illinois
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