State size comparison

compared to

South Dakota is around the same size as North Dakota.

North Dakota is approximately 178,647 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 10% larger than North Dakota. Meanwhile, the population of North Dakota is ~672,591 people (141,589 more people live in South Dakota).
Tip: This to-scale comparison of North Dakota 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. North Dakota
Flip Comparison · See true size
See South Dakota on top of North Dakota
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Quality of Life Comparison · 8 statistics
Make 28.4% more money in North Dakota
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Cost of Living Comparison · 7 categories - 2026 data
North Dakota is 17.8% more expensive than South Dakota
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