Hudson County, New Jersey Hudson County, New Jersey Hudson County, a county in the U.S. state of New Jersey, lies west of the lower Hudson River, which was named for Henry Hudson, the sea captain who explored the area in 1609. Part of New Jersey's Gateway Region in the New York metropolitan area, Jersey City is its largest city and county seat. As of the 2017 Census estimate, Hudson County was the fastest-growing county in New Jersey compared to 2010; the county's population was 691,643, making it the state's 4th-most populous county, an increase of 9.0% from the 2010 United States Census, when its
Pearl River, New York Pearl River, New York Pearl River is a hamlet and census-designated place in the town of Orangetown, Rockland County, New York, United States. It is located east of Chestnut Ridge, south of Nanuet, west of Blauvelt, New York, and north of Montvale and Old Tappan, New Jersey. The population was 15,876 at the 2010 census. Pearl River is north of midtown Manhattan and lies just north of the New Jersey border. It is the first (traveling north) of three New York stops on New Jersey Transit's Pascack Valley Line. In 2011, CNNMoney.com ranked Pearl River 78th on its annual "100