Ten Hills is a populated place LOCATED WITHIN the City of Somerville. In turn, the City of Somerville is located within Middlesex County.
Ten Hills is located at latitude 42.397 and longitude -71.087.
Since Ten Hills is located within the City of Somerville, all of the census and demographic data for residents of Ten Hills are included as part of the information reported for City of Somerville in the "Profile" tab above.