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Population: 68,883
Size: 4.049 miles
Distance from NYC: 44 min 29.3 Miles

Mountainside was incorporated as a borough on September 25, 1895, from portions of Westfield Township, based on the results of a referendum held the previous day. New Jersey Monthly magazine ranked Mountainside as its 16th best place to live in its 2008 rankings of the “Best Places to Live” in New Jersey, as well as eighth in the 2010 list. The borough is bordered to the north by Summit, to the east by Springfield Township, to the south by Westfield, and to the west by Berkeley Heights and Scotch Plains.

NJ Transit Bus Operations routes 114 and 117 provide service to the Port Authority Bus Terminal in Midtown Manhattan in New York City while routes 65 and 66 travel to Downtown Newark, all making local stops at points in proximate communities. Newark Liberty International Airport is approximately 11 miles (18 km) east of Mountainside.


  • Beechwood School
  • Deerfield School


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