Tennessee is about 1.4 times smaller than Iowa.

Iowa is approximately 144,701 sq km, while Tennessee is approximately 106,752 sq km, making Tennessee 73.77% the size of Iowa. Meanwhile, the population of Iowa is ~3.0 million people (3.3 million more people live in Tennessee).
This to-scale comparison of Iowa vs. Tennessee uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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