Balmville is an affluent hamlet (and census-designated place) in Orange County, New York, United States. 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. The population was 3,178 at the 2010 census. Many wealthy, influential, and upper income families live in Balmville on roads such as River, Sloane, Commonwealth, Susan, and Grand. Susan Drive is accredited for housing the former Delano Family Estate (Algonac). The Delano family was the family of the mother of Franklin D. Roosevelt, and she in fact was born and raised at Algonac. Many homes in Balmville are incredibly expensive due to their pristine views of the Hudson River. Balmville is also the site of the Powelton Club Country Club. It currently ranks as the highest income hamlet in the greater Newburgh area.
Balmville is a community in the eastern part of the Town of Newburgh. It is immediately north of, and adjoins, the city of Newburgh.
Balmville is home to the Balmville Tree, New York's smallest state forest. The tree is one of three federally protected in the nation. It is called a "miracle tree" due to its age (over 300 years) for its species.