Suburb in Kangaroo Island

Island Beach, SA

Island Beach had a population of 71 at the 2021 Census (+129.0% since 2016). Median age 60.0. Median weekly household income $725. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Island Beach at a glance

What the 2021 Census says, compared with South Australia.

In South Australia - South East

Between the 2016 and 2021 censuses, Island Beach's population grew by 129.0% to 71, faster than South Australia as a whole (+6.3%). With a median age of 60.0, it is older than the SA average (40.9). Children under 10 make up 0.0% of residents, and people aged 70 and over 29.6%.

13.2% of households rent, a smaller share than the SA average of 27.9%. 55.3% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 38 households.

The median household earns $725 a week, below the SA average of $1,456.

24.3% of residents were born overseas, close to the SA average of 25.2%. 0.0% use a language other than English at home. 56.3% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Island Beach beside SA and Australia.

MeasureIsland BeachSAAustralia
Population711,781,50125,422,828
Growth since 2016+129.0%+6.3%+8.6%
Median age60.040.938.2
Households38691,3449,275,123
Flats and apartments0.0%6.8%14.3%
Renting13.2%27.9%31.1%
Owned outright55.3%33.3%31.4%
Median household income a week$725$1,456$1,747
Median rent a week–$300$376
Median mortgage repayment a month$1,142$1,505$1,866
Born overseas24.3%25.2%29.3%
Other language at home0.0%18.7%23.6%
No religion56.3%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

+129.0% since 2016.

Population · each census
  1. 512011
  2. 312016
  3. 712021

Age

Median age 60.0, against 40.9 for South Australia.

Island Beach South Australia
Share of people by age, Island Beach and South Australia
0–90.0%
10–195.6%
20–290.0%
30–390.0%
40–499.9%
50–5932.4%
60–6922.5%
70–7921.1%
80+8.5%

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

Cultural background

The largest groups in Island Beach at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English55.9%
  2. Australian22.1%
  3. German20.6%
  4. Irish8.8%
  5. Scottish7.4%

Languages at home

Country of birth

Top 5 · country of birth
  1. England7.6%

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

Around Island Beach

The places it belongs to, sits beside and contains.

Explore Island Beach in Censible

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