Mission Hill is a ¾ square mile neighborhood of Boston. The population was estimated at 15,883 in 2011. About 3,000 short-term residents are undergraduates from neighboring colleges (approximately 16%) and maybe another 1500 are short-term visiting scholars, students, researchers, and degree candidates (or about 8%) working in the adjacent Longwood Medical Area for Harvard Medical School, Harvard T.H. Chan School of Public Health, and/or the Harvard teaching hospitals. - source: Wikipedia