City size comparison

compared to

Boulder is about 12 times smaller than Austin.

Austin (map shows its 70 named neighbourhoods; the area covers the whole city) is approximately 829 sq km, while Boulder is approximately 70 sq km, making Boulder 8.4% the size of Austin.
Tip: This to-scale comparison of Austin vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Austin

Flip Comparison · See true size
See Boulder on top of Austin
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Cost of Living Comparison · 7 categories - 2026 data
Austin is 12.9% cheaper than Boulder
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