City size comparison

compared to

Saint Louis is about 1.3 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Saint Louis is approximately 160 sq km, making Saint Louis 32% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Saint Louis uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Louis vs. San Francisco

Flip Comparison · See true size
See Saint Louis on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 59.2% more expensive than Saint Louis
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