Suburb in Hilltops

McMahons Reef, NSW

McMahons Reef had a population of 68 at the 2021 Census (+19.3% since 2016). Median age 36.8. Median weekly household income $950. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

McMahons Reef at a glance

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

In Capital Region

Between the 2016 and 2021 censuses, McMahons Reef's population grew by 19.3% to 68, faster than New South Wales as a whole (+7.9%). With a median age of 36.8, it is younger than the NSW average (38.4). Children under 10 make up 10.3% of residents, and people aged 70 and over 4.4%.

13.0% of households rent, a smaller share than the NSW average of 33.1%. 30.4% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 23 households.

The median household earns $950 a week, below the NSW average of $1,829.

6.9% of residents were born overseas, fewer than the NSW average of 31.0%. 0.0% use a language other than English at home. 29.5% report no religion, lower than the NSW average (35.7%).

Key figures

2021 Census, McMahons Reef beside NSW and Australia.

MeasureMcMahons ReefNSWAustralia
Population688,072,17125,422,828
Growth since 2016+19.3%+7.9%+8.6%
Median age36.838.438.2
Households232,900,4569,275,123
Flats and apartments0.0%21.8%14.3%
Renting13.0%33.1%31.1%
Owned outright30.4%32.0%31.4%
Median household income a week$950$1,829$1,747
Median rent a week–$423$376
Median mortgage repayment a month–$2,142$1,866
Born overseas6.9%31.0%29.3%
Other language at home0.0%28.2%23.6%
No religion29.5%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

+19.3% since 2016.

Population · each census
  1. 422011
  2. 572016
  3. 682021

Age

Median age 36.8, against 38.4 for New South Wales.

McMahons Reef New South Wales
Share of people by age, McMahons Reef and New South Wales
0–910.3%
10–1913.2%
20–2910.3%
30–3917.6%
40–494.4%
50–5919.1%
60–698.8%
70–794.4%
80+0.0%

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

Cultural background

The largest groups in McMahons Reef at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. Australian57.6%
  2. English35.6%
  3. Scottish8.5%

Languages at home

Country of birth

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

Around McMahons Reef

The places it belongs to, sits beside and contains.

Explore McMahons Reef in Censible

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