State size comparison

compared to

Texas is about 3.5 times bigger than South Dakota.

South Dakota is approximately 196,540 sq km, while Texas is approximately 678,052 sq km, making Texas 245% larger than South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (24.3 million more people live in Texas).
Tip: This to-scale comparison of South Dakota vs. Texas uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Texas vs. South Dakota

Flip Comparison · See true size
See Texas on top of South Dakota
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Quality of Life Comparison · 14 statistics
Be 38.5% less likely to be unemployed in South Dakota
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Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 12.0% cheaper than Texas
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