There are 9 cities in Multnomah County, Oregon.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Portland1618,451653,294-1.33%4,635133.42
Gresham2108,555114,466-1.39%4,64923.35
Lake Oswego339,23640,822-1.1%3,64110.78
Cedar Mill419,15118,661 5,7553.33
Troutdale515,11416,301-1.86%2,5465.94
Fairview610,52810,393-1.13%3,4093.09
West Haven-Sylvan78,3768,505 3,7052.26
Wood Village84,5934,389-1.94%4,8760.94
Maywood Park9787832-1.38%4,5760.17
showing: 9 rows

Cities in Multnomah County, Oregon by Population (2024)

What is the largest city in Multnomah County, Oregon?

Portland is the largest city in Multnomah County.

What is the smallest city in Multnomah County, Oregon?

Maywood Park is the smallest city in Multnomah County.

How many cities are in Multnomah County?

There are 9 cities in Multnomah County, Oregon.

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