Riverbank is a city in Stanislaus County, California, United States. The population was 15,826 at the 2000 census. Incorporated on August 23, 1922, Riverbank's official slogan is 'The City of Action.' Riverbank apartments for rent comparison page shows most up to date rent information on Riverbank apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.