Zaragoza's 2026 population is now estimated at 30,555. In 2007, the population of Zaragoza was 22,525. Zaragoza has grown by 175 in the last year, which represents a 0.58% 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 .