City size comparison

compared to

Seattle is about 662 times smaller than Illinois.

Illinois is approximately 143,961 sq km, while Seattle is approximately 217 sq km, making Seattle 0.15% the size of Illinois.
Tip: This to-scale comparison of Illinois vs. Seattle uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seattle vs. Illinois
Flip Comparison · See true size
See Seattle on top of Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 24.0% cheaper than Seattle
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