State size comparison
compared to
Illinois is about 1.9 times smaller than Colorado.
Colorado is approximately 268,627 sq km,
while Illinois is approximately 143,961 sq km, making
Illinois 53.59% the size of Colorado.
Meanwhile, the population of Colorado is ~5.0 million people
(7.8 million more people live in Illinois).
This to-scale comparison of
Colorado
vs.
Illinois
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
