Oley is a census-designated place in northern Oley Township, Berks County, United States, located along Routes 73 and 662. The entire township is listed on the National Register of Historic Places.The Little Manatawny Creek flows SE through Oley into the Manatawny Creek, a tributary of the Schuylkill River. Berks Career and Technology Center has a campus in Oley serving eastern Berks County. Oley Valley High School and Reading Motorcycle Club are also located in Oley. The ZIP code of Oley is 19547. As of the 2010 census the population was 1,282 residents.A post office called Oley Furnace was established in 1828, and renamed Oley in 1836. The community took its name from Oley Township.