City size comparison

compared to

Seattle is about 2.7 times smaller than Chicago.

Chicago is approximately 590 sq km, while Seattle is approximately 217 sq km, making Seattle 36.84% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Seattle uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seattle vs. Chicago
Flip Comparison · See true size
See Seattle on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 7.8% cheaper than Seattle
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