There are 37 cities in Washington County, Oregon.

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

showing: 37 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

Cities in Washington County, Oregon by Population (2024)

What is the largest city in Washington County, Oregon?

Portland is the largest city in Washington County.

What is the smallest city in Washington County, Oregon?

Dilley is the smallest city in Washington County.

How many cities are in Washington County?

There are 37 cities in Washington County, Oregon.

Frequently Asked Questions