Beaverdam Lake-Salisbury Mills was a census-designated place in Orange County, New York, United States. It encompassed a region in the corner of the towns of Blooming Grove, Cornwall, and New Windsor. As of the 2000 census, its population was 2,779. For the 2010 census, the area was counted as two separate CDPs: Beaver Dam Lake in the towns of Blooming Grove and New Windsor and Salisbury Mills in the towns of Blooming Grove and Cornwall. Beaverdam Lake is also the name of a lake next to the community.The area 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.Beaverdam Lake-Salisbury Mills was located at 41°26′11″N 74°6′41″W / 41.43639°N 74.11139°W / 41.43639; -74.11139.According to the United States Census Bureau, the CDP had a total area of 2.6 square miles, of which 2.4 square miles was land and 0.3 square miles was water.