South Dakota is about 1.9 times bigger than Kentucky.

Kentucky is approximately 102,896 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 91% larger than Kentucky. Meanwhile, the population of Kentucky is ~4.3 million people (3.5 million fewer people live in South Dakota).
This to-scale comparison of Kentucky vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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