City size comparison

compared to

Portland is about 2.4 times bigger than Dayton.

Dayton is approximately 145 sq km, while Portland is approximately 346 sq km, making Portland 139% larger than Dayton.
Tip: This to-scale comparison of Dayton vs. Portland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portland vs. Dayton

Flip Comparison · See true size
See Portland on top of Dayton
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Cost of Living Comparison · 7 categories - 2026 data
Dayton is 31.8% cheaper than Portland
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