Union Township, Hunterdon County, New Jersey

Union Township is a township in Hunterdon County, New Jersey, United States. As of the 2010 United States Census, the township's population was 5,908, reflecting a decline of 252 (-4.1%) from the 6,160 counted in the 2000 Census, which had in turn increased by 1,082 (+21.3%) from the 5,078 counted in the 1990 Census. The southwest half of the township lies on what is known as the Hunterdon Plateau, the northwest corner consists of the Musconetcong Ridge and the northeast section is part of the lower-lying Newark Basin around Spruce Run Reservoir.