EntityQ2026325· pop 6· linked from 9 articlesPalmasSign in to savebarrio in Arroyo, Puerto RicoConnectionsSpainCountryPuerto RicoConcepttime zoneEntitygeographic coordinate systemEntityInternational Standard Book NumberEntitycensusEntitySpanish–American WarEntityUTC−04:00Entityinsular area of the United StatesEntityTreaty of Paris (1898)Entity2010 United States CensusEntitygazetteerEntity2000 United States CensusEntityUnited States Department of WarConceptArroyoEntityAtlantic Time ZoneEntity1990 United States CensusEntitymunicipality of Puerto RicoEntity1940 United States CensusEntity1980 United States CensusEntityCategoriesBarrios of Arroyo, Puerto Rico