The outer ring LGAs of Playford, Mount Barker and Onkaparinga recorded the largest population growth, accounting for a total of 3,963 persons. Onkaparinga (175,711) has the largest population of the LGAs within Greater Adelaide, followed by Salisbury (144,160), Port Adelaide Enfield (129,539) and Charles Sturt (121,065). In the 12 months to 30 June 2021, the Greater Adelaide LGA of Mount Barker recorded the highest growth rate (3.3%), followed by Adelaide Plains (2.3%), Gawler (1.8%) and Playford (1.6%).
Net interstate migration (NIM) saw a gain of 704 persons, which is a significant improvement on the loss of 2160 in the previous year.This is higher than the previous year’s gain of 4,818, due to increased births and slightly fewer deaths. Natural increase (NI) was the major contributor to population growth, with a gain of 5,540 persons.
Australia’s growth rate over the same period was 0.18%.South Australia’s population increased by 2,966 at an annual growth rate of 0.17%, This is our lowest annual growth rate since 1995.The estimated resident population at 30 June 2021 was 1,773,243 people 1, an increase of 1291 people since 31 March 2021.