There are 34 zip codes in Multnomah County, Oregon. The most populated is 97206, located in Portland. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
9720651,062Portland
9708047,168Gresham
9721944,074Portland
9720243,687Portland
9723041,799Portland
9723639,033Portland
9703038,947Gresham
9723337,625Portland
9726635,719Portland
9721734,884Portland
9721134,376Portland
9720333,327Portland
9721331,810Portland
9721428,656Portland
9722028,041Portland
9721227,902Portland
9706022,145Troutdale
9720920,445Portland
9723918,337Portland
9721517,780Portland
9720117,508Portland
9721617,449Portland
9721815,094Portland
9723214,941Portland
9722113,154Portland
9721012,007Portland
9702411,488Fairview
972058,861Portland
972276,199Portland
972313,835Portland
970192,864Corbett
972041,008Portland
97208Portland
97258Portland
showing: 34 rows

Zip Codes in Multnomah County, Oregon by Population (2024)