Millburn is a township in Essex County, New Jersey, United States. As of the 2010 United States Census, the township population was 20,149.
Millburn Township was created as a township by an act of the New Jersey Legislature on March 20, 1857, from portions of Springfield Township.
the township also includes the hamlet of Short Hills. It comprises the historic Wyoming district, and South Mountain and Millburn Center areas. Short Hills contains the sections of Knollwood, Glenwood, Brookhaven, Country Club, Merrywood, Deerfield-Crossroads, Mountaintop, White Oak Ridge, and Old Short Hills Estates.
Millburn is near South Mountain Reservation, The Mall at Short Hills and the suburban towns of South Orange, Maplewood, Livingston, and Summit. Millburn is also home to the Paper Mill Playhouse, a 70-year-old regional theater.
Short Hills is an unincorporated area located within the township of Millburn, in Essex County, New Jersey, United States. It is a popular commuter town for residents who work in New York City. This affluent enclave features stately, older homes as well as newer construction.