Warren County is a county located in the U.S. state of New Jersey. As of the 2019 Census estimate, the county’s population was 105,267, making it the 19th-most populous of the state’s 21 counties, representing a decrease of 3.2% from the 108,692 enumerated in the 2010 United States Census, in turn having increased by 6,255 (+6.1%) from 102,437 counted at the 2000 Census, its county seat is Belvidere. It is part of the Allentown-Bethlehem-Easton, PA-NJ metropolitan area and is generally considered the eastern border of the Lehigh Valley. It shares its eastern border with the New York City Metropolitan Area, with its northwestern section bordering The Poconos. The most populous place was Phillipsburg, with 14,950 residents at the time of the 2010 Census, while Hardwick Township had both the largest area — 37.92 square miles (98.2 km2) — and the fewest people (1,696).
our County
Warren County was incorporated by an act of the New Jersey Legislature on November 20, 1824, from portions of Sussex County. At its creation, the county consisted of the townships of Greenwich, Independence, Knowlton, Mansfield, Oxford, and Pahaquarry (now defunct).[1] The county was named for Joseph Warren, an American Revolutionary War hero of the Battle of Bunker Hill.
For more information please visit the Warren County Official government website.