City size comparison

compared to

Houston is about 53 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Houston is approximately 1,659 sq km, making Houston 5,178% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Houston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Houston vs. San Mateo

Flip Comparison · See true size
See Houston on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 39.1% more expensive than Houston
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