Suburb in Wollongong

Mount Ousley, NSW

Mount Ousley had a population of 1,611 at the 2021 Census (+0.6% since 2016). Median age 41.8. Median weekly household income $2,301. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Mount Ousley at a glance

What the 2021 Census says, compared with New South Wales.

In Illawarra

Between the 2016 and 2021 censuses, Mount Ousley's population grew by 0.6% to 1,611, slower than New South Wales as a whole (+7.9%). With a median age of 41.8, it is older than the NSW average (38.4). Children under 10 make up 11.5% of residents, and people aged 70 and over 14.3%.

14.4% of households rent, a smaller share than the NSW average of 33.1%. 48.0% own their home outright. Almost every home is a house; flats and apartments are 1.6% of homes. The 2021 Census counted 575 households.

The median household earns $2,301 a week, above the NSW average of $1,829. Renters pay a median $551 a week, and households with a mortgage repay $2,410 a month.

18.6% of residents were born overseas, fewer than the NSW average of 31.0%. 14.5% use a language other than English at home. 42.0% report no religion, higher than the NSW average (35.7%).

Key figures

2021 Census, Mount Ousley beside NSW and Australia.

MeasureMount OusleyNSWAustralia
Population1,6118,072,17125,422,828
Growth since 2016+0.6%+7.9%+8.6%
Median age41.838.438.2
Households5752,900,4569,275,123
Flats and apartments1.6%21.8%14.3%
Renting14.4%33.1%31.1%
Owned outright48.0%32.0%31.4%
Median household income a week$2,301$1,829$1,747
Median rent a week$551$423$376
Median mortgage repayment a month$2,410$2,142$1,866
Born overseas18.6%31.0%29.3%
Other language at home14.5%28.2%23.6%
No religion42.0%35.7%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

+0.6% since 2016.

Population · each census
  1. 1,5612011
  2. 1,6022016
  3. 1,6112021

Age

Median age 41.8, against 38.4 for New South Wales.

Mount Ousley New South Wales
Share of people by age, Mount Ousley and New South Wales
0–911.5%
10–1912.7%
20–2911.6%
30–3911.4%
40–4912.8%
50–5913.3%
60–6912.3%
70–796.6%
80+7.6%

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

Cultural background

The largest groups in Mount Ousley at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. Australian36.5%
  2. English35.9%
  3. Scottish11.9%
  4. Irish11.2%
  5. Italian8.6%

Languages at home

Top 5 · languages at home
  1. Mandarin2.4%
  2. Arabic1.6%
  3. Greek1.5%
  4. Spanish1.3%
  5. Italian1.1%

Country of birth

Top 5 · country of birth
  1. England2.4%
  2. China2.2%
  3. Italy1.4%
  4. India1.1%
  5. New Zealand1.1%

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

Around Mount Ousley

The places it belongs to, sits beside and contains.

Explore Mount Ousley in Censible

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