Poughkeepsie is a city in and is the county seat of Dutchess County, New York, United States. It is surrounded by the Town of Poughkeepsie and had a population of 31,577 at the 2020 census, while the
LaGrange is a town in Dutchess County, New York, United States. The population was 15,975 at the 2020 census. The town was named after the estate of the Marquis de Lafayette.