Blue Ridge is a census-designated place (CDP) 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 (16.4 km²), all land.
At the 2000 census there were 3,188 people, 1,181 households, and 968 families in the CDP. The population density was 504.1 people per square mile (194.8/km²). There were 1,219 housing units at an average density of 192.8/sq mi (74.5/km²). 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 1,181 households 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. 15.1% of households were one person and 6.1% were one person aged 65 or older. The average household size was 2.70 and the average family size was 2.99.