City size comparison

compared to

Miami is about 1.3 times bigger than Boulder.

Boulder is approximately 70 sq km, while Miami is approximately 92 sq km, making Miami 33% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Miami uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Miami vs. Boulder

Flip Comparison · See true size
See Miami on top of Boulder
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Cost of Living Comparison · 6 categories - 2026 data
Boulder is 0.4% cheaper than Miami
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