State size comparison

compared to

South Dakota is about 1.6 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 62.53% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (1.2 million fewer people live in South Dakota).
Tip: This to-scale comparison of New Mexico 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. New Mexico
Flip Comparison · See true size
See South Dakota on top of New Mexico
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Quality of Life Comparison · 13 statistics
Be 75.0% more likely to be unemployed in New Mexico
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Cost of Living Comparison · 7 categories - 2026 data
New Mexico is 21.4% more expensive than South Dakota
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