City size comparison

compared to

Dayton is about 2.4 times smaller than Portland.

Portland is approximately 346 sq km, while Dayton is approximately 145 sq km, making Dayton 41.81% the size of Portland.
Tip: This to-scale comparison of Portland vs. Dayton uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dayton vs. Portland

Flip Comparison · See true size
See Dayton on top of Portland
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Cost of Living Comparison · 7 categories - 2026 data
Portland is 46.7% more expensive than Dayton
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