Suburb in Collie

Cardiff, WA

Cardiff had a population of 118 at the 2021 Census (+10.3% since 2016). Median age 50.0. Median weekly household income $1,187. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Cardiff at a glance

What the 2021 Census says, compared with Western Australia.

In Bunbury

Between the 2016 and 2021 censuses, Cardiff's population grew by 10.3% to 118, faster than Western Australia as a whole (+7.5%). With a median age of 50.0, it is older than the WA average (38.0). Children under 10 make up 7.6% of residents, and people aged 70 and over 8.5%.

15.6% of households rent, a smaller share than the WA average of 27.7%. 51.1% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 45 households.

The median household earns $1,187 a week, below the WA average of $1,815.

17.5% of residents were born overseas, fewer than the WA average of 34.2%. 12.1% use a language other than English at home. 51.4% report no religion, higher than the WA average (46.7%).

Key figures

2021 Census, Cardiff beside WA and Australia.

MeasureCardiffWAAustralia
Population1182,660,02625,422,788
Growth since 2016+10.3%+7.5%+8.6%
Median age50.038.038.0
Households45964,7349,275,217
Flats and apartments0.0%6.5%14.3%
Renting15.6%27.7%31.1%
Owned outright51.1%29.6%31.4%
Median household income a week$1,187$1,815$1,746
Median rent a week–$340$375
Median mortgage repayment a month$1,544$1,842$1,863
Born overseas17.5%34.2%29.3%
Other language at home12.1%19.6%23.6%
No religion51.4%46.7%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

+10.3% since 2016.

Population · each census
  1. 1122011
  2. 1072016
  3. 1182021

Age

Median age 50.0, against 38.0 for Western Australia.

Cardiff Western Australia
Share of people by age, Cardiff and Western Australia
0–97.6%
10–198.5%
20–295.9%
30–3911.0%
40–4912.7%
50–5923.7%
60–6916.1%
70–795.9%
80+2.5%

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

Cultural background

The largest groups in Cardiff at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English56.6%
  2. Australian24.8%
  3. Scottish14.2%
  4. South African11.5%
  5. Irish10.6%

Languages at home

Top 5 · languages at home
  1. Afrikaans11.8%

Country of birth

Top 5 · country of birth
  1. England6.1%
  2. New Zealand4.4%
  3. South Africa3.5%
  4. Scotland2.6%

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

Around Cardiff

The places it belongs to, sits beside and contains.

Explore Cardiff in Censible

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