Alabama is about 1.5 times smaller than South Dakota.

South Dakota is approximately 196,540 sq km, while Alabama is approximately 131,426 sq km, making Alabama 66.87% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (4.0 million more people live in Alabama).
This to-scale comparison of South Dakota vs. Alabama uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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