Nyack is a village located primarily in the town of Orangetown in Rockland County, New York, United States. Incorporated in 1872, it retains a very small western section in Clarkstown. It is a suburb of New York City lying approximately 15 miles north of the Manhattan boundary near the west bank of the Hudson River, situated north of South Nyack, east of Central Nyack, south of Upper Nyack, and southeast of Valley Cottage.
Nyack had a population of 6,765 as of the 2010 census.