State size comparison

compared to

New Jersey is about 10 times smaller than South Dakota.

South Dakota is approximately 196,540 sq km, while New Jersey is approximately 19,211 sq km, making New Jersey 9.77% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (8.0 million more people live in New Jersey).
Tip: This to-scale comparison of South Dakota vs. New Jersey uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: New Jersey vs. South Dakota

Flip Comparison · See true size
See New Jersey on top of South Dakota
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Quality of Life Comparison · 16 statistics
Be 46.7% less likely to be unemployed in South Dakota
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Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 26.5% cheaper than New Jersey
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