Blue Ridge is a census-designated place in Botetourt County, Virginia, United States. The population was 3,084 at the 2010 census. It is part of the Roanoke Metropolitan Statistical Area.According to the United States Census Bureau, the CDP has a total area of 6.3 square miles, all land.As of the census of 2000, there were 3,188 people, 1,181 households, and 968 families residing in the CDP. The population density was 504.1 people per square mile. There were 1,219 housing units at an average density of 192.8/sq mi. The racial makeup of the CDP was 95.33% White, 2.85% African American, 0.22% Native American, 0.50% Asian, 0.06% from other races, and 1.04% from two or more races. Hispanic or Latino of any race were 0.53% of the population.There were 1,181 households out of which 34.8% had children under the age of 18 living with them, 72.5% were married couples living together, 6.9% had a female householder with no husband present, and 18.0% were non-families. 15.