State size comparison

compared to

New Mexico is about 1.6 times bigger than South Dakota.

South Dakota is approximately 196,540 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 60% larger than South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (1.2 million more people live in New Mexico).
Tip: This to-scale comparison of South Dakota vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: New Mexico vs. South Dakota

Flip Comparison · See true size
See New Mexico on top of South Dakota
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Quality of Life Comparison · 15 statistics
Be 42.9% less likely to be unemployed in South Dakota
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Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 10.4% cheaper than New Mexico
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