State size comparison

compared to

South Dakota is about 1.4 times bigger than Wisconsin.

Wisconsin is approximately 140,663 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 40% larger than Wisconsin. Meanwhile, the population of Wisconsin is ~6.0 million people (5.0 million fewer people live in South Dakota).
Tip: This to-scale comparison of Wisconsin 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. Wisconsin

Flip Comparison · See true size
See South Dakota on top of Wisconsin
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Quality of Life Comparison · 11 statistics
Be 25.0% more likely to be unemployed in Wisconsin
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Cost of Living Comparison · 7 categories - 2026 data
Wisconsin is 5.9% more expensive than South Dakota
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