Tepecoyo's 2026 population is now estimated at 17,426. In 2007, the population of Tepecoyo was 14,322. Tepecoyo has grown by 117 in the last year, which represents a 0.68% 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 .