Highland Falls, formerly named Buttermilk Falls, is a village in Orange County, New York, United States. The population was 3,684 at the 2020 census. The village was founded in 1906. It is part of the Poughkeepsie–Newburgh–Middletown, NY Metropolitan Statistical Area as well as the larger New York–Newark–Bridgeport, NY-NJ-CT-PA Com…Highland Falls, formerly named Buttermilk Falls, is a village in Orange County, New York, United States. The population was 3,684 at the 2020 census. The village was founded in 1906. It is part of the Poughkeepsie–Newburgh–Middletown, NY Metropolitan Statistical Area as well as the larger New York–Newark–Bridgeport, NY-NJ-CT-PA Combined Statistical Area.