Torrens Island, South Australia Station has been listed on the South Australian Heritage Register since 21 October 1993. The 2016 Australian census which was conducted in August 2016 reports that Torrens Island had a population of zero. Torrens Island is located within the federal division of Port Adelaide and the state electoral district of Port Adelaide Since at least 2009, Torrens Island has not been located within a local government area. Torrens Island is linked to the mainland by the Grand Trunkway via a bridge across the North Arm of the Port River to Garden Island and a causeway across Angas Inlet, but as
Lake Torrens lake when filled with water and encompasses an area of . The Lake Torrens catchment is an endorheic basin, having no outflow of water to the ocean. Approximately 35,000 years ago, the lake water was fresh to brackish, but has become increasingly saline since. The traditional owners of the area are the Arabunna peoples to the north, the Kokatha to the west and the Kyuni to the east. The first European to see the lake was Edward Eyre in 1839 who spotted the salt bed from Mount Arden at the head of the Spencer Gulf. Eyre named the lake after