Oakland (previously known as Hillsdale) is an unincorporated community in Liberty Township, Jackson County, Ohio, United States. It is located northwest of Jackson at the intersection of Valley Chapel Road and Oakland Road, at .Rand McNally. The Road Atlas '06. Chicago: Rand McNally, 2006, 78.
The Hillsdale Post Office was established on August 21, 1882, and discontinued on February 13, 1904. Mail service is now handled through the Jackson branch.Jackson County, Ohio Genealogical Society, Jackson County, Ohio: History and Families, 175th Anniversary, 1816-1991, Volume 1, Turner Publishing Company, 1991, Pg. 62
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