State size comparison

compared to

Illinois is about 1.7 times smaller than Oregon.

Oregon is approximately 248,631 sq km, while Illinois is approximately 143,961 sq km, making Illinois 57.9% the size of Oregon. Meanwhile, the population of Oregon is ~3.8 million people (9.0 million more people live in Illinois).
Tip: This to-scale comparison of Oregon vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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