Dutchess County is a county in the U.S. state of New York. As of the 2020 census, the population was 295,911. The county seat is the city of Poughkeepsie. The county was created in 1683, one of New York's first twelve counties, and later organized in 1713. Dutchess County is part of the Kiryas Joel–Poughkeepsie–Newburgh metropolitan area, which belongs to the larger New York–Newark–Bridgeport, NY-NJ-CT-PA Combined Statistical Area. The county is part of the Hudson Valley region of the state.