Rutherford is a census-designated place in Napa County, California, United States. The population was 115 at the 2020 census. Rutherford is located in the Rutherford AVA which is located in the larger Napa Valley AVA. The Robert Mondavi Winery is located between Rutherford and neighboring Oakville. Other notable wineries in the Rutherford area include Beaulieu Vineyard, Grgich Hills Estate, St. Supéry Estate Vineyards& Winery, and Inglenook.