Arcatao's 2026 population is now estimated at 2,464. In 2007, the population of Arcatao was 2,946. Arcatao has grown by 18 in the last year, which represents a 0.74% 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 .