Oberlin is a city in Lorain County, Ohio, United States. It is located about 31 miles southwest of Cleveland within the Cleveland metropolitan ar…Oberlin is a city in Lorain County, Ohio, United States. It is located about 31 miles southwest of Cleveland within the Cleveland metropolitan area. The population was 8,555 at the 2020 census. Oberlin is the home of Oberlin College, a liberal arts college and music conservatory with approximately 3,000 students.