City size comparison

compared to

Toronto is about 9 times bigger than Boulder.

Boulder is approximately 70 sq km, while Toronto is approximately 630 sq km, making Toronto 805% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Toronto uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Toronto vs. Boulder

Flip Comparison · See true size
See Toronto on top of Boulder
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Cost of Living Comparison · 7 categories - 2026 data
Boulder is 25.3% more expensive than Toronto
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