Riverbank is a city in Stanislaus County, California, United States. The population was 22,678 at the 2010 census, up from 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.