Barrios Unidos's 2026 population is now estimated at 9,692. In 2000, the population of Barrios Unidos was 8,371. Barrios Unidos has grown by 44 in the last year, which represents a 0.46% annual change. These population values and projections come from Panama census 2000 nomenclature places, Panama census 2010 nomenclature places, Panama census 2023 Cuadro 3 place population and World Population Review Internal Projections .