State size comparison

compared to

Colorado is about 455 times bigger than Chicago.

Chicago is approximately 590 sq km, while Colorado is approximately 268,627 sq km, making Colorado 45,444% larger than Chicago.
Tip: This to-scale comparison of Chicago vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Colorado vs. Chicago
Flip Comparison · See true size
See Colorado on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 18.7% more expensive than Colorado
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