Blacksville is an Incorporated Town in Monongalia County, West Virginia, United States. The population was 118 at the 2020 census. It is included in the Morgantown, West Virginia Metropolitan Statistical Area. The Town of Blacksville has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.