Stirling is in southeastern Morris County and occupies the central portion of Long Hill Township. It is bordered to the east by Gillette and to the west by Millington. The Passaic River forms the southern boundary of the community as well as the Somerset County line.
According to the U.S. Census Bureau, the Stirling CDP has a total area of 2.35 square miles (6.09 km2), of which 0.02 square miles (0.05 km2), or 0.64%, are water.[1]
Stirling, New Jersey – Racial and Ethnic Composition (NH = Non-Hispanic) Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Stirling is home to Central Middle School, which is one of the four schools in the Long Hill Township School System. Central Middle School educates students from grades 6–8.
^"St. Vincent DePaul School in Stirling to close in June", Roman Catholic Diocese of Paterson, April 28, 2016. Accessed November 16, 2017. "After more than 50 years of providing a Catholic education to students in Long Hill Township, St. Vincent dePaul School in the Stirling section of the township, will close in June.In a letter to parishioners, parents and students posted April 21 on the parish's website, Father A. Richard Carton, pastor, wrote: 'This decision comes after much prayer and careful reflection. The low enrollment for next year would not create a strong educational environment and the financial strain would be too great for the parish to bear.'"
^Staff. "George John Estock Jr.", The News Journal, November 10, 2010. Accessed August 7, 2015. "George John Estock Sr., 86, formerly of Claymont, DE, passed away at home on Sunday, November 7, 2010. He was born in Stirling, NJ to the late John and Anna Estock and was a 1942 graduate of Harding High School."