Westerra is a populated place LOCATED WITHIN the City of Glendale. In turn, the City of Glendale is located within Maricopa County.
Westerra is located at latitude 33.599 and longitude -112.19.
Since Westerra is located within the City of Glendale, all of the census and demographic data for residents of Westerra are included as part of the information reported for City of Glendale in the "Profile" tab above.