State size comparison

compared to

Illinois is about 1.8 times smaller than Wyoming.

Wyoming is approximately 251,489 sq km, while Illinois is approximately 143,961 sq km, making Illinois 57.24% the size of Wyoming. Meanwhile, the population of Wyoming is ~563,626 people (12.3 million more people live in Illinois).
Tip: This to-scale comparison of Wyoming vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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