Auto dealer license in Oregon to be introduced. Clackamas was a census-designated place (CDP) in Clackamas County, Oregon, USA. The population was 5177 2000-census. It is a suburb of Portland, Oregon. As of the census of 2000, there were 5,177 people, 2,000 households and 1,336 families residing in the CDP. The population density was 2,425.3 people per square mile (938.4/km ²). There were 2133 homes at an average density of 999.3 per square mile (386.6/km ²). The racial makeup of the CDP was 85.28% White, 1.08% African American, 0.66% Native American, 6.32% Asian, 0.33% Pacific Islander, 2.70% from other races, and 3, 63% from two or more races. Latino of Hispanic or any race were 5.95% of the population. 22.1% were of German, 10.8% English, 9.4% and 6.3% Irish American ancestors, according to the 2000 census.