State size comparison

compared to

Illinois is about 1.5 times smaller than Kansas.

Kansas is approximately 211,900 sq km, while Illinois is approximately 143,961 sq km, making Illinois 67.94% the size of Kansas. Meanwhile, the population of Kansas is ~2.9 million people (10.0 million more people live in Illinois).
Tip: This to-scale comparison of Kansas vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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