State size comparison
compared to
Ohio is about 1.9 times smaller than South Dakota.
South Dakota is approximately 196,540 sq km, while Ohio is approximately 106,056 sq km, making Ohio 53.96% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (10.7 million more people live in Ohio).
Tip:
This to-scale comparison of
South Dakota
vs.
Ohio
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Ohio vs. South Dakota
Flip Comparison · See true size
See Ohio on top of South Dakota
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Quality of Life Comparison · 13 statistics
Be 40.0% less likely to be unemployed in South Dakota
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Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 5.8% cheaper than Ohio
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City Size Comparison · See true size
Compare the size of New York City vs Los Angeles
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