State size comparison

compared to

Illinois is around the same size as Iowa.

Iowa is approximately 144,701 sq km, while Illinois is approximately 143,961 sq km, making Illinois 99.49% the size of Iowa. Meanwhile, the population of Iowa is ~3.0 million people (9.8 million more people live in Illinois).
Tip: This to-scale comparison of Iowa vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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