Mississippi is about 1.6 times smaller than South Dakota.

South Dakota is approximately 196,540 sq km, while Mississippi is approximately 121,489 sq km, making Mississippi 61.81% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (2.2 million more people live in Mississippi).
This to-scale comparison of South Dakota vs. Mississippi uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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