State

South Australia

South Australia had a population of 1,781,516 at the 2021 Census (+6.3% since 2016). Median age 41.0. Median weekly household income $1,455. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

South Australia at a glance

What the 2021 Census says, compared with Australia.

Between the 2016 and 2021 censuses, South Australia's population grew by 6.3% to 1,781,516, slower than Australia as a whole (+8.6%). With a median age of 41.0, it is older than the national average (38.0). Children under 10 make up 11.1% of residents, and people aged 70 and over 14.3%.

27.9% of households rent, a smaller share than the national average of 31.1%. 33.3% own their home outright. Flats and apartments are 6.8% of homes (14.3% across Australia). The 2021 Census counted 691,313 households.

The median household earns $1,455 a week, below the national average of $1,746. Renters pay a median $300 a week, and households with a mortgage repay $1,500 a month.

25.2% of residents were born overseas, fewer than the national average of 29.3%. 18.7% use a language other than English at home. 48.9% report no religion, higher than the national average (41.9%).

Key figures

2021 Census, South Australia beside Australia.

MeasureSouth AustraliaAustralia
Population1,781,51625,422,788
Growth since 2016+6.3%+8.6%
Median age41.038.0
Households691,3139,275,217
Flats and apartments6.8%14.3%
Renting27.9%31.1%
Owned outright33.3%31.4%
Median household income a week$1,455$1,746
Median rent a week$300$375
Median mortgage repayment a month$1,500$1,863
Born overseas25.2%29.3%
Other language at home18.7%23.6%
No religion48.9%41.9%

Source: ABS Census 2021, via Censible. How the figures are built

Population and age

Each census since 2011, and the age profile in 2021.

Population

+6.3% since 2016.

Population · each census
  1. 1,596,5722011
  2. 1,676,6532016
  3. 1,781,5162021

Age

Median age 41.0, against 38.0 for Australia.

South Australia Australia
Share of people by age, South Australia and Australia
0–911.1%
10–1911.5%
20–2912.7%
30–3913.3%
40–4912.2%
50–5912.9%
60–6912.1%
70–799.0%
80+5.2%

Source: ABS Census 2021, via Censible. How the figures are built

Cultural background

The largest groups in South Australia at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English39.9%
  2. Australian34.2%
  3. Scottish8.8%
  4. Irish8.0%
  5. German8.0%

Languages at home

Top 5 · languages at home
  1. Mandarin1.9%
  2. Italian1.4%
  3. Greek1.3%
  4. Vietnamese1.3%
  5. Punjabi1.2%

Country of birth

Top 5 · country of birth
  1. England5.6%
  2. India2.6%
  3. China1.5%
  4. Vietnam1.0%
  5. Italy1.0%

Source: ABS Census 2021, via Censible. How the figures are built

Around South Australia

The places it belongs to, sits beside and contains.

Explore South Australia in Censible

Every census figure for South Australia, mapped and compared with any other place. A free account takes a minute.