City size comparison

compared to

San Antonio is about 2.2 times bigger than Chicago.

Chicago is approximately 590 sq km, while San Antonio (map shows its 401 named neighbourhoods; the area covers the whole city) is approximately 1,292 sq km, making San Antonio 119% larger than Chicago.
Tip: This to-scale comparison of Chicago vs. San Antonio uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Antonio vs. Chicago

Flip Comparison · See true size
See San Antonio on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 36.4% more expensive than San Antonio
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