State size comparison
compared to
Colorado is about 1.4 times bigger than South Dakota.
South Dakota is approximately 196,540 sq km, while Colorado is approximately 268,627 sq km, making Colorado 37% larger than South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (4.2 million more people live in Colorado).
This to-scale comparison of
South Dakota
vs.
Colorado
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.