City size comparison

compared to

Dallas is about 13 times bigger than Boulder.

Boulder is approximately 70 sq km, while Dallas is approximately 880 sq km, making Dallas 1,163% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Dallas uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dallas vs. Boulder

Flip Comparison · See true size
See Dallas on top of Boulder
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Cost of Living Comparison · 7 categories - 2026 data
Boulder is 9.8% more expensive than Dallas
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