The Portland metropolitan area is the urban area centered in northern Oregon (Multnomah County and parts of Washington, Yamhill, and Clackamas counties) and southern Washington (Clark County). It is Oregon's largest urban center and the hub for trade, transportation, and business. Altogether it is about 550 to 600 sq. mi. of urbanized land area.
Primary cities
Secondary cities
- Milwaukie, Oregon
- Gladstone, Oregon
- Lake Oswego, Oregon
- Tigard, Oregon
- West Linn, Oregon
- Clackamas, Oregon
- Battle Ground, Washington
- Aloha, Oregon
- Oregon City, Oregon
- Wilsonville, Oregon
- King City, Oregon
- Sherwood,Oregon
- Tualatin, Oregon
- West Linn, Oregon
