Multnomah County, OR Zip Codes
31 zip codes across 5 cities in Multnomah County, OR
About Multnomah County
Multnomah County, Oregon (OR) contains 31 unique zip codes spanning 5 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Multnomah County.
Cities in Multnomah County
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All Zip Codes in Multnomah County, OR
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Frequently Asked Questions
How many zip codes are in Multnomah County, OR?
Multnomah County, OR has 31 zip codes across 5 cities.
What cities are in Multnomah County?
Cities in Multnomah County include Corbett, Fairview, Gresham, Portland, Troutdale.
What state is Multnomah County in?
Multnomah County is located in Oregon (OR).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.