Diamondville is an unincorporated community located in Cherryhill Township, Indiana County, Pennsylvania, United States. [1] It is located on Diamondville Road (State Route 1012) at the intersection with Railroad Avenue. [2] The town lies within a meander of Two Lick Creek. The R.J. Corman Railroad/Pennsylvania Lines passes through Diamondville. The town was formerly known as Mitchell's Run. [3]