Port Chester is a village in the U.S. state of New York and the largest part of the town of Rye in Westchester County by population. At the 2010 U.S. census, the village had a population of 28,967 and was the fifth-most populous village in New York State. In 2019, its population grew to a census-estimated 29,342 residents. Located in southeast Westchester, Port Chester forms part of the New York City metropolitan statistical area.