Clackamas is home to Camp Withycombe, which is a military base, and to a branch of the Kaiser Permanente Hospital.

Clackamas is part of the Portland Metropolitan Area and lies approximately 10 miles (16 km) southeast of downtown Portland and to the east of Interstate 205 along Oregon Routes 212 and 224 and to the north of the Clackamas River.

According to the United States Census Bureau, the CDP has a total area of 2.1 square miles (5.4 km2), all of it land.

25.5% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older.

Media related to Clackamas, Oregon at Wikimedia Commons