Council area

Kangaroo Island, SA

Kangaroo Island had a population of 4,894 at the 2021 Census (+4.1% since 2016). Median age 50.7. Median weekly household income $1,120. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Explore Kangaroo Island freeSee the figures

Kangaroo Island at a glance

What the 2021 Census says, compared with South Australia.

In South Australia - South East

Between the 2016 and 2021 censuses, Kangaroo Island's population grew by 4.1% to 4,894, slower than South Australia as a whole (+6.3%). With a median age of 50.7, it is older than the SA average (40.9). Children under 10 make up 10.7% of residents, and people aged 70 and over 18.5%.

22.8% of households rent, a smaller share than the SA average of 27.9%. 44.7% own their home outright. Almost every home is a house; flats and apartments are 1.2% of homes. The 2021 Census counted 1,940 households.

The median household earns $1,120 a week, below the SA average of $1,456. Renters pay a median $209 a week, and households with a mortgage repay $1,050 a month.

15.9% of residents were born overseas, fewer than the SA average of 25.2%. 4.5% use a language other than English at home. 63.1% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Kangaroo Island beside SA and Australia.

Kangaroo IslandSAAustralia
Population4,8941,781,50125,422,828
Growth since 2016+4.1%+6.3%+8.6%
Median age50.740.938.2
Households1,940691,3449,275,123
Flats and apartments1.2%6.8%14.3%
Renting22.8%27.9%31.1%
Owned outright44.7%33.3%31.4%
Median household income a week$1,120$1,456$1,747
Median rent a week$209$300$376
Median mortgage repayment a month$1,050$1,505$1,866
Born overseas15.9%25.2%29.3%
Other language at home4.5%18.7%23.6%
No religion63.1%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

+4.1% since 2016.

Population · each census
  1. 4,4172011
  2. 4,7022016
  3. 4,8942021

Age

Median age 50.7, against 40.9 for South Australia.

Kangaroo Island South Australia
0–910.7%
10–199.1%
20–298.3%
30–3910.4%
40–4910.3%
50–5915.0%
60–6917.6%
70–7913.1%
80+5.4%

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

Cultural background

The largest groups in Kangaroo Island at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English48.9%
  2. Australian44.5%
  3. Scottish11.8%
  4. Irish9.8%
  5. German9.8%

Languages at home

Top 5 · languages at home
  1. German0.6%
  2. Italian0.6%
  3. French0.2%
  4. Mandarin0.2%
  5. Vietnamese0.2%

Country of birth

Top 5 · country of birth
  1. England6.1%
  2. New Zealand2.1%
  3. Germany0.9%
  4. the United States0.7%
  5. the Netherlands0.6%

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

Around Kangaroo Island

The places it belongs to, sits beside and contains.

Part of

Nearby

Suburbs in Kangaroo Island

Largest first.

Explore Kangaroo Island in Censible

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

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