City size comparison

compared to

Portland is about 4 times smaller than Boise.

Boise is approximately 221 sq km, while Portland (map shows its 17 named neighbourhoods; the area covers the whole city) is approximately 56 sq km, making Portland 25.29% the size of Boise.
Tip: This to-scale comparison of Boise vs. Portland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portland vs. Boise

Flip Comparison · See true size
See Portland on top of Boise
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Cost of Living Comparison · 7 categories - 2026 data
Boise is 16.9% cheaper than Portland
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