Chonchi is a Chilean town and commune located in Los Lagos Region. According to the 2002 census of the National Statistics Institute, Cho…Chonchi is a Chilean town and commune located in Los Lagos Region. According to the 2002 census of the National Statistics Institute, Chonchi spans an area of 1,362.1 km² and has 12,572 inhabitants. Of these, 4,588 lived in urban areas and 7,984 in rural areas. The population grew by 18.3% between the 1992 and 2002 censuses.