Copake Falls is a hamlet and census-designated place (CDP) in Columbia County, New York, United States. The hamlet, once known as Copake Iron Works, is in the eastern part of the town of Copake, 1.5 miles (2.4 km) west of the Massachusetts state line. The CDP was designated after the 2010 census. As of the 2020 census, Copake Falls had a population of 181.