City size comparison

compared to

Boulder is about 13 times smaller than Dallas.

Dallas is approximately 880 sq km, while Boulder is approximately 70 sq km, making Boulder 7.91% the size of Dallas.
Tip: This to-scale comparison of Dallas vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Dallas

Flip Comparison · See true size
See Boulder on top of Dallas
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Cost of Living Comparison · 6 categories - 2026 data
Dallas is 5.6% cheaper than Boulder
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