State size comparison
compared to
California is about 2 times bigger than South Dakota.
South Dakota is approximately 196,540 sq km, while California is approximately 403,882 sq km, making California 105% larger than South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (36.4 million more people live in California).
Tip:
This to-scale comparison of
South Dakota
vs.
California
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: California vs. South Dakota
Flip Comparison · See true size
See California on top of South Dakota
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Quality of Life Comparison · 18 statistics
Be 52.9% less likely to be unemployed in South Dakota
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Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 26.2% cheaper than California
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City Size Comparison · See true size
Compare the size of Los Angeles vs New York City
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