Santa María Apazco is a town and municipality in Oaxaca in south-western Mexico.

[1] In 2015, the population in Santa María Apazco was 1,629 inhabitants (45.4% men and 54.6% women).

Compared to 2010, the population in Santa María Apazco decreased by -14.2%.

[3] In 2020, 90.7% of the population in Santa María Apazco had no access to sewage systems, 15.1% did not have a water supply network, 5.37% did not have a bathroom and 5.96% did not have electricity.

[4] This article about a location in the Mexican state of Oaxaca is a stub.