Beavercreek is an unincorporated hamlet and census-designated place in Clackamas County, Oregon, United States, located 6 miles southeast of Oregon City. The population was 4,485 at the 2010 census. According to Oregon Geographic Names, the name "Beaver Creek" was first used for a school district in this area in the early 1850s. It was named for the cre…Beavercreek is an unincorporated hamlet and census-designated place in Clackamas County, Oregon, United States, located 6 miles southeast of Oregon City. The population was 4,485 at the 2010 census. According to Oregon Geographic Names, the name "Beaver Creek" was first used for a school district in this area in the early 1850s. It was named for the creek that flows through the community and into the Willamette River. A post office operated under various names in the locality until 1922, when the name was changed to Beavercreek, the form still used today. Beavercreek's ZIP code is 97004.