About Chappaqua, New York
Chappaqua is a hamlet and census-designated place in northern Westchester County, New York. As of the 2010 census, following a major revision to the delineation of its boundaries by the Census Bureau, the population was 1,436. (At the 2000 census, with very different census-defined boundaries, Chappaqua had a population of 9,468. ) Chappaqua is located in the town of New Castle.