Suburb profile · ABS Census 2021
Allambie Heights suburb profile
Allambie Heights, NSW · Postcode 2100
This Allambie Heights suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Allambie Heights, NSW (postcode 2100). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Allambie Heights with nearby suburbs.
Allambie Heights at a glance
Population
7,317
Median rent
$600/wk
Household income
$2,890/wk
Median age
43
Allambie Heights trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+9% over 10 years
Population
7,317
was 7,009 in 2016
+308 · +4.4%
Median rent
$600/wk
was $478/wk in 2016
+$122 · +25.5%
Household income
$2,890/wk
was $2,229/wk in 2016
+$661 · +29.7%
Median age
43
was 41 in 2016
+2 · +4.9%
Dig deeper: Allambie Heights population growth · Allambie Heights then and now
Allambie Heights vs nearby & Greater Sydney
Median Census 2021 figures for Allambie Heights, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
+22.4% vs area
- Allambie Heights$600/wk
- Nearby$607.5/wk
- Sydney$490/wk
Household income
+36.4% vs area
- Allambie Heights$2,890/wk
- Nearby$2,305/wk
- Sydney$2,119.5/wk
Median age
+7.5% vs area
- Allambie Heights43
- Nearby40.5
- Sydney40
Personal income
+11.3% vs area
- Allambie Heights$1,006/wk
- Nearby$1,036.5/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Allambie Heights compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Allambie Heights ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,088.9
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,127.2
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 101,123.9
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,102.3
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Allambie Heights on the map
OpenStreetMap outline for Allambie Heights, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Allambie Heights people
- Population
- 7,317
- Median age
- 43
- Born overseas
- 28.1%
- Average household size
- 3.0
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Allambie Heights income
- Median household income
- $2,890/wk
- Median personal income
- $1,006/wk
Median total weekly household income
Median total weekly personal income
Allambie Heights housing
- Median rent
- $600/wk
- Median mortgage repayment
- $3,467/mo
- Separate houses
- 82.7%
- Flats & apartments
- 9.1%
- Owned outright
- 34.2%
- Mortgaged
- 40.8%
- Rented
- 17.1%
- Unoccupied dwellings
- 4.9%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Allambie Heights work
- Employment to population
- 62.6%
- Unemployment rate
- 3.3%
- Year 12 or above
- 70%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 2100)
Compare Allambie Heights with nearby suburbs
Allambie Heights in numbers
Allambie Heights had 7,317 residents at the 2021 Census, making it the 324th most populous suburb or locality in NSW out of 4,347. The median age is 43, 5% above the typical NSW suburb. The average household has 3 people. 28.1% of residents were born overseas.
Among occupied homes, 34.2% own their home outright, 40.8% are paying a mortgage, 17.1% rent. Separate houses make up 82.7% of dwellings, with 9.1% in flats or apartments. Median rent was $600/wk, 50% above the typical NSW suburb.
Median household income was $2,890/wk, 60% above the typical NSW suburb. The unemployment rate on Census night was 3.3%. 70% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 10 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 4.4% (from 7,009 to 7,317). Median rent moved from $478/wk to $600/wk (+25.5%).
Allambie Heights suburb FAQs
- What is the median rent in Allambie Heights, NSW?
- The median weekly rent in Allambie Heights was $600/wk at the 2021 Census (ABS).
- How many people live in Allambie Heights, NSW?
- Allambie Heights had 7,317 residents at the 2021 Census, up 4.4% from 2016.
- What is the median household income in Allambie Heights?
- Median household income in Allambie Heights was $2,890/wk at the 2021 Census.
- Do most people rent or own in Allambie Heights?
- 17.1% of occupied homes in Allambie Heights were rented, 34.2% were owned outright and 40.8% were owned with a mortgage.
About this Allambie Heights suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Allambie Heights. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology · Richest suburbs in Sydney