Mapleville, MD

Mapleville is an unincorporated community and census-designated place in eastern Washington County, Maryland, United States. The 2020 census counted 243 residents. Mapleville lies along MD Route 66, known locally as the Mapleville Road, north of Boonsboro and just south of the community of San Mar. That mix gives Mapleville a clear local shape within Maryland, with older layers still visible in current places. The local scoop is a place whose streets, landmarks, and institutions keep its earlier story close to the present.