Piura's 2026 population is now estimated at 515,679. In 1950, the population of Piura was 43,921. Piura has grown by 6,722 in the last year, which represents a 1.32% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Piura, which typically includes Piura's population in addition to adjacent suburban areas.