Mappsville, VirginiaMappsville is a census-designated place in Accomack County, Virginia, United States. Per the 2020 census, the population was 311.Wharton Place was added to the National Register of Historic Places in 1974.GeographyThe CDP lies at an elevation of 46 feet.DemographicsMappsville was first listed as a census designated place in the 2010 U.S. census.