Sagamore Grove is a populated place LOCATED WITHIN the City of Portsmouth. In turn, the City of Portsmouth is located within Rockingham County.
Sagamore Grove is located at latitude 43.054 and longitude -70.748.
Since Sagamore Grove is located within the City of Portsmouth, all of the census and demographic data for residents of Sagamore Grove are included as part of the information reported for City of Portsmouth in the "Profile" tab above.