City size comparison

compared to

Pittsburgh is about 4.1 times smaller than Chicago.

Chicago is approximately 590 sq km, while Pittsburgh is approximately 143 sq km, making Pittsburgh 24.32% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Pittsburgh uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pittsburgh vs. Chicago

Flip Comparison · See true size
See Pittsburgh on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 17.9% more expensive than Pittsburgh
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