Nonantum is a populated place LOCATED WITHIN the City of Newton. In turn, the City of Newton is located within Middlesex County.
Nonantum is located at latitude 42.363 and longitude -71.202.
Since Nonantum is located within the City of Newton, all of the census and demographic data for residents of Nonantum are included as part of the information reported for City of Newton in the "Profile" tab above.