Suburb in Serpentine-Jarrahdale

Serpentine, WA

Serpentine had a population of 2,863 at the 2021 Census (+23.6% since 2016). Median age 45.1. Median weekly household income $1,964. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Serpentine at a glance

What the 2021 Census says, compared with Western Australia.

In Perth - South East

Between the 2016 and 2021 censuses, Serpentine's population grew by 23.6% to 2,863, faster than Western Australia as a whole (+7.4%). With a median age of 45.1, it is older than the WA average (38.0). Children under 10 make up 9.8% of residents, and people aged 70 and over 12.4%.

7.8% of households rent, a smaller share than the WA average of 27.7%. 39.1% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 854 households.

The median household earns $1,964 a week, above the WA average of $1,816. Renters pay a median $319 a week, and households with a mortgage repay $2,249 a month.

22.7% of residents were born overseas, fewer than the WA average of 34.2%. 2.7% use a language other than English at home. 54.6% report no religion, higher than the WA average (46.6%).

Key figures

2021 Census, Serpentine beside WA and Australia.

MeasureSerpentineWAAustralia
Population2,8632,662,30425,422,828
Growth since 2016+23.6%+7.4%+8.6%
Median age45.138.038.2
Households854965,2579,275,123
Flats and apartments0.0%6.5%14.3%
Renting7.8%27.7%31.1%
Owned outright39.1%29.6%31.4%
Median household income a week$1,964$1,816$1,747
Median rent a week$319$341$376
Median mortgage repayment a month$2,249$1,841$1,866
Born overseas22.7%34.2%29.3%
Other language at home2.7%19.7%23.6%
No religion54.6%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

+23.6% since 2016.

Population · each census
  1. 2,0262011
  2. 2,3172016
  3. 2,8632021

Age

Median age 45.1, against 38.0 for Western Australia.

Serpentine Western Australia
Share of people by age, Serpentine and Western Australia
0–99.8%
10–1911.6%
20–299.8%
30–3912.4%
40–4914.3%
50–5917.0%
60–6912.9%
70–798.5%
80+3.9%

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

Cultural background

The largest groups in Serpentine at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English50.3%
  2. Australian46.0%
  3. Scottish9.5%
  4. Irish8.8%
  5. Dutch4.6%

Languages at home

Top 5 · languages at home
  1. German0.9%
  2. Afrikaans0.2%
  3. Indonesian0.2%
  4. Tagalog0.1%

Country of birth

Top 5 · country of birth
  1. England11.4%
  2. New Zealand2.8%
  3. South Africa0.8%
  4. Scotland0.8%
  5. the Netherlands0.6%

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

Around Serpentine

The places it belongs to, sits beside and contains.

Explore Serpentine in Censible

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