San Agustin
- Country:
- El Salvador
- Continent:
- North America
San Agustin's 2026 population is now estimated at 5,911.In 2007, the population of San Agustin was 6,518.San Agustin has grown by 41 in the last year, which represents a 0.7% 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.