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. " It is part of the Modesto Metropolitan Statistical Area. Home of the Cheese and Wine Festival, Riverbank was originally founded as a ferry, but was established as a town with the coming of the Santa Fe Railroad.