City size comparison

compared to

Chicago is about 2.7 times bigger than Boise.

Boise is approximately 221 sq km, while Chicago is approximately 590 sq km, making Chicago 167% larger than Boise.
Tip: This to-scale comparison of Boise vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Chicago vs. Boise

Flip Comparison · See true size
See Chicago on top of Boise
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Cost of Living Comparison · 7 categories - 2026 data
Boise is 19.3% cheaper than Chicago
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