|Coordinates (city): Coordinates:|
|• Alcalde||Patricio Mittersteiner Garrido|
|• Total||1,906.5 km2 (736.1 sq mi)|
|As of 2002|
|Elevation||364 m (1,194 ft)|
|• Density||8.2/km2 (21/sq mi)|
|Time zone||UTC−4 (CLT)|
|• Summer (DST)||UTC−3 (CLST)|
|Area code(s)||56 + 45|
|Website||Municipality of Cunco|
Cunco was founded by Colonel Gregorio Urrutia en 1883 as a frontier fort, between the marshes Cunco and Nahuelcura, and close to a tributary to the Allipén river. The arrival of the railroad at the beginning of the twentieth century accelerater its urban development. It changed legal status to "commune" on 20 August 1918.
According to the 2002 census of the National Statistics Institute, Cunco spans an area of 1,906.5 km2 (736 sq mi) and has 18,703 inhabitants (9,203 men and 9,500 women). Of these, 8,806 (47.1%) lived in urban areas and 9,897 (52.9%) in rural areas. The population grew by 2% (364 persons) between the 1992 and 2002 censuses.
As a commune, Cunco 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 2008-2012 alcalde is Patricio Mittersteiner Garrido. The communal council has the following members:
- Osvaldo Inostroza Mora
- Danilo Urrutia Cárcamo
- Rene Sepulveda Ceballos
- Patricio Oakley Oviedo
- Cristian Moraga Lagos
- Alfonso Coke Candia
Within the electoral divisions of Chile, Zapallar belongs to the 52nd electoral district and 15th senatorial constituency.