State size comparison
Idaho, USA
compared to
Illinois, USA
Idaho is about 1.5 times bigger than Illinois.
Illinois is approximately 143,961 sq km, while Idaho is approximately 214,314 sq km, making Idaho 49% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (11.3 million fewer people live in Idaho).
We have positioned the outline of Illinois near the middle of Idaho.
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This to-scale comparison of
Illinois
vs.
Idaho
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.