EntityQ5351027· pop 5· linked from 51 articlesEl CincoSign in to savebarrio in San Juan, Puerto RicoConnectionsHato Rey SurEntityPuerto RicoConceptgeographic coordinate systemEntityrapid transitEntitymunicipalityEntitySan JuanEntityNational Register of Historic PlacesEntity2010 United States CensusEntity2020 United States CensusEntity2000 United States CensusEntitymunicipality of Puerto RicoEntity1990 United States CensusEntity1980 United States CensusEntity1960 United States CensusEntity1970 United States CensusEntity1950 United States CensusEntityTren UrbanoEntitycommonwealthEntityUniversity of Puerto RicoEntitySanturceEntityCategoriesBarrios of San Juan, Puerto RicoRío Piedras, Puerto Rico