City size comparison

compared to

Phoenix is about 6 times bigger than Boise.

Boise is approximately 221 sq km, while Phoenix is approximately 1,342 sq km, making Phoenix 509% larger than Boise.
Tip: This to-scale comparison of Boise vs. Phoenix uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Phoenix vs. Boise

Flip Comparison · See true size
See Phoenix on top of Boise
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Cost of Living Comparison · 7 categories - 2026 data
Boise is 11.5% cheaper than Phoenix
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