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).
This to-scale comparison of
Iowa
vs.
South Dakota
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.