State size comparison

compared to

Missouri is about 1.2 times bigger than Iowa.

Iowa is approximately 144,701 sq km, while Missouri is approximately 178,414 sq km, making Missouri 23% larger than Iowa. Meanwhile, the population of Iowa is ~3.0 million people (2.9 million more people live in Missouri).
Tip: This to-scale comparison of Iowa vs. Missouri uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Missouri vs. Iowa
Flip Comparison · See true size
See Missouri on top of Iowa
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Cost of Living Comparison · 7 categories - 2026 data
Iowa is 0.9% more expensive than Missouri
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