City size comparison

compared to

Oakland is about 2.9 times smaller than Chicago.

Chicago is approximately 590 sq km, while Oakland is approximately 202 sq km, making Oakland 34.25% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Oakland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oakland vs. Chicago
Flip Comparison · See true size
See Oakland on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 5.6% cheaper than Oakland
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