Portland Metro Area Counties

7 counties · 2.5 million people (2025) · 6,687 sq mi

The Portland metro area (officially the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area) has 7 counties in Oregon and Washington, with 2,542,282 people in 2025. Multnomah County is the most populous.

Map of the 7 counties of the Portland metro area with county names and major cities
The 7 counties of the Portland metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

The 7 counties of the Portland metro area

Sorted by population. 4 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyStateCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Multnomah CountyOregonPortland795,391−2.5%431Central
Washington CountyOregonHillsboro611,708+1.9%724Central
Clark CountyWashingtonVancouver532,119+5.7%629Central
Clackamas CountyOregonOregon City426,280+1.2%1,871Central
Yamhill CountyOregonMcMinnville110,024+2.1%716Outlying
Columbia CountyOregonSt. Helens54,091+2.9%659Outlying
Skamania CountyWashingtonStevenson12,669+5.3%1,658Outlying

The metro area is part of the larger Portland-Vancouver-Salem, OR-WA Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Oregon and Washington

Other metro areas

Sources