Ohio is about 1.4 times smaller than Iowa.

Iowa is approximately 144,701 sq km, while Ohio is approximately 106,056 sq km, making Ohio 73.29% the size of Iowa. Meanwhile, the population of Iowa is ~3.0 million people (8.5 million more people live in Ohio).
This to-scale comparison of Iowa vs. Ohio uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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