City size comparison

compared to

Boulder is about 9 times smaller than Toronto.

Toronto is approximately 630 sq km, while Boulder is approximately 70 sq km, making Boulder 11.05% the size of Toronto.
Tip: This to-scale comparison of Toronto vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Toronto

Flip Comparison · See true size
See Boulder on top of Toronto
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Cost of Living Comparison · 7 categories - 2026 data
Toronto is 14.0% cheaper than Boulder
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