State size comparison
compared to
South Dakota is about 1.4 times bigger than Iowa.
Iowa is approximately 144,701 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 36% larger than Iowa. Meanwhile, the population of Iowa is ~3.0 million people (2.2 million fewer people live in South Dakota).
Tip:
This to-scale comparison of
Iowa
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. Iowa
Flip Comparison · See true size
See South Dakota on top of Iowa
→
Quality of Life Comparison · 10 statistics
Be 37.5% more likely to be unemployed in Iowa
→
Cost of Living Comparison · 7 categories - 2026 data
Iowa is 15.7% more expensive than South Dakota
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City Size Comparison · See true size
Compare the size of Los Angeles vs New York City
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