Country size comparison

compared to

South Dakota is about 2 times bigger than South Korea.

South Korea is approximately 99,720 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 97% larger than South Korea. Meanwhile, the population of South Korea is ~51.8 million people (51.0 million fewer people live in South Dakota).
Tip: This to-scale comparison of South Korea vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: South Dakota vs. South Korea

Flip Comparison · See true size
See South Dakota on top of South Korea
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Quality of Life Comparison · 4 statistics
Make 18.0% less money in South Korea
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Cost of Living Comparison · 7 categories - 2026 data
South Korea is 9.1% cheaper than South Dakota
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