Washingtonville is a village in the town of Blooming Grove, Orange County, New York, United States. The population was 5,657 at the 2020 census. It is part of the Poughkeepsie–Newburgh–Middletown, NY Metropolitan Statistical Area as well as the larger New York–Newark–Bridgeport, NY-NJ-CT-PA Combined Statistical Area. …Washingtonville is a village in the town of Blooming Grove, Orange County, New York, United States. The population was 5,657 at the 2020 census. It is part of the Poughkeepsie–Newburgh–Middletown, NY Metropolitan Statistical Area as well as the larger New York–Newark–Bridgeport, NY-NJ-CT-PA Combined Statistical Area. The village is named in honor of George Washington.