Suburb in Rockingham

Garden Island, WA

Garden Island had a population of 772 at the 2021 Census (+7.2% since 2016). Median age 23.8. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Garden Island at a glance

What the 2021 Census says, compared with Western Australia.

In Perth - South West

Between the 2016 and 2021 censuses, Garden Island's population grew by 7.2% to 772, in step with Western Australia as a whole (+7.4%). With a median age of 23.8, it is younger than the WA average (38.0). Children under 10 make up 0.4% of residents, and people aged 70 and over 0.0%.

17.2% of residents were born overseas, fewer than the WA average of 34.2%. 9.0% use a language other than English at home. 60.8% report no religion, higher than the WA average (46.6%).

Key figures

2021 Census, Garden Island beside WA and Australia.

MeasureGarden IslandWAAustralia
Population7722,662,30425,422,828
Growth since 2016+7.2%+7.4%+8.6%
Median age23.838.038.2
Households–965,2579,275,123
Flats and apartments–6.5%14.3%
Renting–27.7%31.1%
Owned outright–29.6%31.4%
Median household income a week–$1,816$1,747
Median rent a week–$341$376
Median mortgage repayment a month–$1,841$1,866
Born overseas17.2%34.2%29.3%
Other language at home9.0%19.7%23.6%
No religion60.8%46.6%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

+7.2% since 2016.

Population · each census
  1. 5132011
  2. 7202016
  3. 7722021

Age

Median age 23.8, against 38.0 for Western Australia.

Garden Island Western Australia
Share of people by age, Garden Island and Western Australia
0–90.4%
10–197.5%
20–2965.5%
30–3919.2%
40–493.8%
50–592.6%
60–690.4%
70–790.0%
80+0.0%

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

Cultural background

The largest groups in Garden Island at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English48.5%
  2. Australian43.8%
  3. Irish11.0%
  4. Scottish10.5%
  5. German6.3%

Languages at home

Top 5 · languages at home
  1. French1.4%
  2. Mandarin1.4%
  3. Australian Indigenous languages0.8%

Country of birth

Top 5 · country of birth
  1. England5.5%
  2. New Zealand2.5%
  3. India2.2%
  4. Germany1.1%

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

Around Garden Island

The places it belongs to, sits beside and contains.

Explore Garden Island in Censible

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