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
New Brunswick, New Jersey Fast Line. People who were born in, residents of, or otherwise closely associated with the City of New Brunswick include: New Brunswick has four sister cities, as listed by Sister Cities International: New Brunswick, New Jersey New Brunswick is a city in Middlesex County, New Jersey, United States, in the New York City metropolitan area. The city is the county seat of Middlesex County, and the home of Rutgers University. New Brunswick is on the Northeast Corridor rail line, southwest of Manhattan, on the southern bank of the Raritan River. As of 2016, New Brunswick had a Census-estimated population of