Clackamas County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 421,401, making it Oregon's third-most populous county. Its county seat is Oregon City. Wikipedia
Cities: Clackamas, Oregon City, Milwaukie, and more
Population: 423,177 (2022)
Congressional districts: 3rd, 5th, 6th
Founded: July 5, 1843
Largest city: Lake Oswego
Named for: Clackamas people
Learn about some of the ways we're working with the state and federal governments to improve the quality of life for the people of Clackamas County.
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Clackamas County, Oregon, Oregon City, Oregon. 25608 likes · 260 talking about this · 2595 were here. Welcome to Clackamas County—a great place to...