State size comparison
Iowa, USA
compared to
South Dakota, USA
Iowa is about 1.4 times smaller than South Dakota.
South Dakota is approximately 196,540 sq km, while Iowa is approximately 144,701 sq km, making Iowa 73.62% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (2.2 million more people live in Iowa).
We have positioned the outline of South Dakota near the middle of Iowa.
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This to-scale comparison of
South Dakota
vs.
Iowa
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
