City size comparison

compared to

Austin is around the same size as San Diego.

San Diego is approximately 844 sq km, while Austin is approximately 829 sq km, making Austin 98.18% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Austin uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Austin vs. San Diego
Flip Comparison · See true size
See Austin on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 27.6% more expensive than Austin
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