Glendale is a populated place LOCATED WITHIN the City of Everett. In turn, the City of Everett is located within Middlesex County.
Glendale is located at latitude 42.414 and longitude -71.048.
Since Glendale is located within the City of Everett, all of the census and demographic data for residents of Glendale are included as part of the information reported for City of Everett in the "Profile" tab above.