Bordering the east of Gulf St Vincent is the Temperate Grassland of South Australia.

[6] The arid north is delineated from the more fertile southeast by Goyder's Line, first surveyed in the 1860s, and which has proven to be a remarkably accurate northern boundary marking where sustainable agriculture can be carried out.

[10] The lowest minimum temperature recorded in South Australia was -8.2 °C (17.2 °F), at Yongala on 20 July 1976.

[20] Other regional towns in the State include Mount Gambier, Whyalla, Victor Harbor and Murray Bridge.

[21][22] Over 70% of the population were born in Australia, with other top responses being England, India and China, respectively.

[23] In federal elections, South Australia is split into 10 electoral districts, each nominating a House of Representatives member.