Leola is a census-designated place in Lancaster County, Pennsylvania, United States. It includes the unincorporated communities of Leola, Leacock, and Bareville, and prior to 2010 was known as the Leacock-Leola-Bareville census-designated place. Originally named "Mechanicsburg", its present name is a portmanteau of "Leacock" and the "Glenola" train station that once served the town. As of the 2010 census, the population of the CDP was 7,214.