State size comparison
Ohio, USA
compared to
Illinois, USA
Ohio is about 1.4 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while Ohio is approximately 106,056 sq km, making Ohio 73.67% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (1.3 million fewer people live in Ohio).
We have positioned the outline of Illinois near the middle of Ohio.
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This to-scale comparison of
Illinois
vs.
Ohio
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.