Mount Kisco is a village and town in Westchester County, New York, United States. The town of Mount Kisco is coterminous with the village. The population was 10,959 at the 2020 United States census over 10,877 at the 2010 census. Some iconic places: The Glass House, National Trust for Historic Preservation, The Aldrich Contemporary Art Museum, Rockefeller State Park Preserve, Stamford Museum & Nature Center, The Great Jack O’Lantern Blaze: Hudson Valley, Neuberger Museum of Art, Croton Point Park, Katonah Museum of Art