Barlow is a city in Clackamas County, Oregon, United States. The population was 135 at the 2010 census.HistoryBarlow is named for William Barlow, the son of Samuel K. Barlow (developer of the Barlow Road). Samuel bought the donation land claim in which Barlow is located from Thomas McKay on September 17, 1850. He later sold the land to William.In 1870, the railroad was built through Barlow. The station was originally named Barlows (for William, not Samuel). As of 2003, the main line of the Union Pacific Railroad still ran through Barlow.The post office at Barlow was opened on February 7, 1871. It closed on January 3, 1975.GeographyAccording to the United States Census Bureau, the city has a total area of 0.05sqmi, all of it land.Demographics2010 censusAs of the census of 2010, there were 135 people, 44 households, and 35 families residing in the city. The population density was 2700.0PD/sqmi. There were 45 housing units at an average density of 900.0/sqmi. The racial makeup of the city was 80.7% White, 0.7% African American, 0.7% Native American, 14.1% from other races, and 3.7% from two or more races. Hispanic or Latino of any race were 14.8% of the population.