City size comparison

compared to

San Mateo is about 39 times smaller than Los Angeles.

Los Angeles (including the city proper only) is approximately 1,215 sq km, while San Mateo is approximately 31 sq km, making San Mateo 2.59% the size of Los Angeles.
Tip: This to-scale comparison of Los Angeles vs. San Mateo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Mateo vs. Los Angeles

Flip Comparison · See true size
See San Mateo on top of Los Angeles
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Cost of Living Comparison · 7 categories - 2026 data
Los Angeles is 1.6% more expensive than San Mateo
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