Rockdale is a populated place LOCATED WITHIN the City of New Bedford. In turn, the City of New Bedford is located within Bristol County.
Rockdale is located at latitude 41.652 and longitude -70.959.
Since Rockdale is located within the City of New Bedford, all of the census and demographic data for residents of Rockdale are included as part of the information reported for City of New Bedford in the "Profile" tab above.