Crabtree is an unincorporated community and census-designated place in Linn County, Oregon, United States. As of the 2010 census, it had a population of 391. It has a post office with a ZIP code of 97335. Crabtree lies off Oregon Route 226 about 10 miles east of Albany. The town received its name when the Southern Pacific Railroad reached there. Crabtree Creek and Crabtree Lake in Linn County were named for pioneer John J. Crabtree, a native of Virginia, who arrived in the Oregon Country in 1845.