poughkeepsie is what county
Dutchess County is a county located in the south east corner of the U.S. state of New York. As of the 2010 census, the population was 297,488. The county seat is Poughkeepsie. The county was created in 1683 and later organized in 1713. Dutchess County is part of the New York-Newark-Jersey City, NY-NJ-PA Metropolitan Statistical Area. It is located in the Mid-Hudson Region of the Hudson Valley.