San Joaquín (Spanish for Saint Joachim) is a commune of Chile located in Santiago Province, Santiago Metropolitan Region.

According to the 2002 census of the National Statistics Institute, San Joaquín spans an area of 9.7 km2 (4 sq mi) and has 97,625 inhabitants (46,708 men and 50,917 women), and the commune is an entirely urban area.

[6] As a commune, San Joaquín is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

[1][2] The communal council has the following members: Within the electoral divisions of Chile, San Joaquín is represented in the Chamber of Deputies by Felipe Salaberry (UDI) and Ximena Vidal (PPD) as part of the 25th electoral district, (together with Macul and La Granja).

[needs update] The commune is represented in the Senate by Soledad Alvear (PDC) and Pablo Longueira (UDI) as part of the 8th senatorial constituency (Santiago-East).