Lakeview is a populated place LOCATED WITHIN the City of Waltham. In turn, the City of Waltham is located within Middlesex County.
Lakeview is located at latitude 42.403 and longitude -71.241.
Since Lakeview is located within the City of Waltham, all of the census and demographic data for residents of Lakeview are included as part of the information reported for City of Waltham in the "Profile" tab above.