Bolivar's 2026 population is now estimated at 3,792. In 2007, the population of Bolivar was 4,215. Bolivar experienced a decrease of -10 residents over the past year, marking an annual decline of -0.26%. 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 .