Suburb in Salisbury

St Kilda, SA

St Kilda had a population of 88 at the 2021 Census (+25.7% since 2016). Median age 56.9. Median weekly household income $683. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

St Kilda at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - North

Between the 2016 and 2021 censuses, St Kilda's population grew by 25.7% to 88, faster than South Australia as a whole (+6.3%). With a median age of 56.9, it is older than the SA average (40.9). Children under 10 make up 3.4% of residents, and people aged 70 and over 19.3%.

40.4% of households rent, a larger share than the SA average of 27.9%. 40.4% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 47 households.

The median household earns $683 a week, below the SA average of $1,456. Renters pay a median $251 a week, and households with a mortgage repay $874 a month.

33.8% of residents were born overseas, more than the SA average of 25.2%. 4.1% use a language other than English at home. 58.5% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, St Kilda beside SA and Australia.

MeasureSt KildaSAAustralia
Population881,781,50125,422,828
Growth since 2016+25.7%+6.3%+8.6%
Median age56.940.938.2
Households47691,3449,275,123
Flats and apartments0.0%6.8%14.3%
Renting40.4%27.9%31.1%
Owned outright40.4%33.3%31.4%
Median household income a week$683$1,456$1,747
Median rent a week$251$300$376
Median mortgage repayment a month$874$1,505$1,866
Born overseas33.8%25.2%29.3%
Other language at home4.1%18.7%23.6%
No religion58.5%48.9%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

+25.7% since 2016.

Population · each census
  1. 1082011
  2. 702016
  3. 882021

Age

Median age 56.9, against 40.9 for South Australia.

St Kilda South Australia
Share of people by age, St Kilda and South Australia
0–93.4%
10–193.4%
20–294.5%
30–394.5%
40–499.1%
50–5929.5%
60–6913.6%
70–7915.9%
80+3.4%

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

Cultural background

The largest groups in St Kilda at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English55.1%
  2. Australian30.8%
  3. Irish15.4%
  4. German6.4%
  5. Australian Aboriginal5.1%

Languages at home

Country of birth

Top 5 · country of birth
  1. England15.8%
  2. Ireland5.3%

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

Around St Kilda

The places it belongs to, sits beside and contains.

Explore St Kilda in Censible

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