State size comparison
compared to
Colorado is about 1.9 times bigger than Illinois.
Illinois is approximately 143,961 sq km,
while Colorado is approximately 268,627 sq km, making
Colorado 87% larger than Illinois.
Meanwhile, the population of Illinois is ~12.8 million people
(7.8 million fewer people live in Colorado).
This to-scale comparison of
Illinois
vs.
Colorado
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
