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
Union City, New Jersey are U.S. Route 1/9, Route 3, and the New Jersey Turnpike. , the city had a total of of roadways, of which were maintained by the municipality, by Hudson County and by the New Jersey Department of Transportation and by the New Jersey Turnpike Authority. The Bergenline Avenue station of the Hudson-Bergen Light Rail is located at 49th Street near the city line with West New York and North Bergen. New Jersey Transit bus service transportation is available to points in Hudson, Bergen, and Passaic counties and to the Port Authority Bus Terminal in Midtown Manhattan. Routes which stop in