City size comparison

compared to

Chicago is about 5 times bigger than Ulm.

Ulm (map shows its 55 named neighbourhoods; the area covers the whole city) is approximately 119 sq km, while Chicago is approximately 590 sq km, making Chicago 397% larger than Ulm.
Tip: This to-scale comparison of Ulm vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Chicago vs. Ulm

Flip Comparison · See true size
See Chicago on top of Ulm
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Cost of Living Comparison · 7 categories - 2026 data
Ulm is 5.4% cheaper than Chicago
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