Mercedes Umana's 2026 population is now estimated at 14,601. In 2007, the population of Mercedes Umana was 13,092. Mercedes Umana has grown by 70 in the last year, which represents a 0.48% annual change. These population values and projections come from DIGESTYC Censo de Poblacion y Vivienda 2007 poblacion por municipio and ONEC-DIGESTYC proyecciones municipales de poblacion 2020-2030 revision 2021 .