Millstone Township is a township in Monmouth County, New Jersey, United States. It is located in the New York Metropolitan Area. As of the 2010 United States Census, the township’s population was 10,566, reflecting an increase of 1,596 (+17.8%) from the 8,970 counted in the 2000 Census, which had in turn increased by 3,901 (+77.0%) from the 5,069 counted in the 1990 Census.

Millstone was formed as a township by an act of the New Jersey Legislature on February 28, 1844, from portions of Freehold Township and Upper Freehold Township, as well as part of Monroe Township in Middlesex County. The portions taken from Monroe Township were relinquished in 1845. On May 29, 1937, portions of the township were taken to form the borough of Jersey Homesteads (now Roosevelt). The township was named for the Millstone River, whose name derives from an incident in which a millstone was dropped into it.

The township borders Freehold Township, Manalapan Township, Roosevelt and Upper Freehold Township in Monmouth County; East Windsor Township and Robbinsville Township in Mercer County; Monroe Township in Middlesex County; and Jackson Township in Ocean County.

As of the 2010 United States Census, there were 10,566 people, 3,301 households, and 2,888 families residing in the township. The population density was 288.8 per square mile (111.5/km²). There were 3,434 housing units at an average density of 93.9 per square mile (36.3/km²). The racial makeup of the township was 89.44% (9,450) White, 3.59% (379) Black or African American, 0.17% (18) Native American, 4.51% (476) Asian, 0.00% (0) Pacific Islander, 0.80% (85) from other races, and 1.50% (158) from two or more races. Hispanic or Latino of any race were 5.48% (579) of the population.

Source: Wikipedia