South Australia contains 324 separate Protected Areas with a total land area of 21,630,995 hectares(21.97% of the state’s area). 18 of these are National parks, totalling 4,337,430 hectares (4.41% of the state’s area).
... population density is 105.9/km² (274.2/mi²). There are 578 housing units at an average density of 82.3/km² (213.3/mi²). The racial makeup of the ...