Suburb in Northern Beaches

Allambie Heights, NSW

Allambie Heights had a population of 7,317 at the 2021 Census (+4.4% since 2016). Median age 42.5. Median weekly household income $2,901. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Allambie Heights at a glance

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

In Sydney - Northern Beaches

Between the 2016 and 2021 censuses, Allambie Heights's population grew by 4.4% to 7,317, slower than New South Wales as a whole (+7.9%). With a median age of 42.5, it is older than the NSW average (38.4). Children under 10 make up 12.9% of residents, and people aged 70 and over 15.2%.

18.1% of households rent, a smaller share than the NSW average of 33.1%. 36.2% own their home outright. Flats and apartments are 9.5% of homes (21.8% across New South Wales). The 2021 Census counted 2,339 households.

The median household earns $2,901 a week, above the NSW average of $1,829. Renters pay a median $577 a week, and households with a mortgage repay $3,456 a month.

28.6% of residents were born overseas, fewer than the NSW average of 31.0%. 13.3% use a language other than English at home. 43.7% report no religion, higher than the NSW average (35.7%).

Key figures

2021 Census, Allambie Heights beside NSW and Australia.

MeasureAllambie HeightsNSWAustralia
Population7,3178,072,17125,422,828
Growth since 2016+4.4%+7.9%+8.6%
Median age42.538.438.2
Households2,3392,900,4569,275,123
Flats and apartments9.5%21.8%14.3%
Renting18.1%33.1%31.1%
Owned outright36.2%32.0%31.4%
Median household income a week$2,901$1,829$1,747
Median rent a week$577$423$376
Median mortgage repayment a month$3,456$2,142$1,866
Born overseas28.6%31.0%29.3%
Other language at home13.3%28.2%23.6%
No religion43.7%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

+4.4% since 2016.

Population · each census
  1. 6,7112011
  2. 7,0092016
  3. 7,3172021

Age

Median age 42.5, against 38.4 for New South Wales.

Allambie Heights New South Wales
Share of people by age, Allambie Heights and New South Wales
0–912.9%
10–1915.1%
20–298.4%
30–398.9%
40–4915.9%
50–5914.5%
60–699.2%
70–798.4%
80+6.8%

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

Cultural background

The largest groups in Allambie Heights at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English42.2%
  2. Australian36.5%
  3. Irish13.5%
  4. Scottish10.8%
  5. Italian6.0%

Languages at home

Top 5 · languages at home
  1. Italian1.7%
  2. Mandarin1.5%
  3. Spanish1.0%
  4. German0.9%
  5. Cantonese0.8%

Country of birth

Top 5 · country of birth
  1. England8.1%
  2. New Zealand2.0%
  3. Italy1.8%
  4. China1.5%
  5. South Africa1.2%

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

Around Allambie Heights

The places it belongs to, sits beside and contains.

Explore Allambie Heights in Censible

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