Rustburg is a census-designated place (CDP) in Campbell County, Virginia, United States. The population was 1,431 in the 2010 census. It is the county seat of Campbell County. Rustburg is part of the Lynchburg Metropolitan Statistical Area. The public high school in Rustburg is Rustburg High School. The public primary and elementary schools are Rustburg Middle School, Rustburg Elementary School, Yellow Branch Elementary School, Fray Educational Center, and Campbell County Technical Center.