Cabildo is a Chilean city and commune located in the Petorca Province, Valparaíso Region.

The population grew 8.0% (1,396 persons) from the 1992 census count of 17,520.

[2] As a commune, Cabildo is a third-level administrative division of Chile administered by a communal council, headed by an alcalde who is directly elected every four years.

The communal council has the following members:[1] Within the electoral divisions of Chile, Cabildo is represented in the Chamber of Deputies by Eduardo Cerda (PDC) and Andrea Molina (UDI) as part of the 10th electoral district, (together with La Ligua, Petorca, Papudo, Zapallar, Puchuncaví, Quintero, Nogales, Calera, La Cruz, Quillota and Hijuelas).

[needs update] The commune is represented in the Senate by Ignacio Walker Prieto (PDC) and Lily Pérez San Martín (RN) as part of the 5th senatorial constituency (Valparaíso-Cordillera).