Santiago Astata is a Municipality of 3915 inhabitants, placed in the State of Oaxaca, with a fertility rate of 2.99 children per woman. 3.88% of the population migrated from outside the State of Oaxaca. 13.03% of the population is indigenous, 6.18% of the inhabitants speak one indigenous language, and 0.00% speak that indigenous language, but not Spanish.85.49% of the inhabitants of Santiago Astata are Catholic, 42.69% are economically active and, within this active population, 90.03% are employed. Additionally, 88.73% of the dwellings have piped water and 0.93% have Internet access.
List of Towns, communities and towns in the Municipality of Santiago Astata: