Riverside is a small city in Walker County, Texas, United States. The population was 510 at the 2010 census. Two famous natives of Riverside are singer-actress Jennifer Holliday (born 1960), best known for her creation of the role of Effie in the successful Tony-award winning Broadway musical "Dreamgirls"; and Eugene C. Barker, Texas historian (born 1874). He was affiliated with the University of Texas at Austin from 1895, when he arrived as a student, until his death as professor emeritus in 1956. Riverside is located at 305049N952353W / 30.84694N 95.39806W / 30.84694; -95.39806 (30.847070, -95.398092).