Suburb profile · ABS Census 2021
Collaroy Plateau suburb profile
Collaroy Plateau, NSW · Postcode 2097
This Collaroy Plateau suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Collaroy Plateau, NSW (postcode 2097). 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 Collaroy Plateau with nearby suburbs.
Collaroy Plateau at a glance
Population
4,805
Median rent
$800/wk
Household income
$3,278/wk
Median age
40
Collaroy Plateau 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
+7.7% over 10 years
Population
4,805
was 4,767 in 2016
+38 · +0.8%
Median rent
$800/wk
was $750/wk in 2016
+$50 · +6.7%
Household income
$3,278/wk
was $2,523/wk in 2016
+$755 · +29.9%
Median age
40
was 39 in 2016
+1 · +2.6%
Dig deeper: Collaroy Plateau population growth · Collaroy Plateau then and now
Collaroy Plateau vs nearby & Greater Sydney
Median Census 2021 figures for Collaroy Plateau, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
+63.3% vs area
- Collaroy Plateau$800/wk
- Nearby$650/wk
- Sydney$490/wk
Household income
+54.7% vs area
- Collaroy Plateau$3,278/wk
- Nearby$2,814.5/wk
- Sydney$2,119.5/wk
Median age
0% vs area
- Collaroy Plateau40
- Nearby39
- Sydney40
Personal income
+18.5% vs area
- Collaroy Plateau$1,071/wk
- Nearby$1,167/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Collaroy Plateau compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Collaroy Plateau ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,112.9
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,137.3
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 101,161.7
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,086.3
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Collaroy Plateau on the map
OpenStreetMap outline for Collaroy Plateau, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Collaroy Plateau people
- Population
- 4,805
- Median age
- 40
- Born overseas
- 22.9%
- Average household size
- 3.2
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Collaroy Plateau income
- Median household income
- $3,278/wk
- Median personal income
- $1,071/wk
Median total weekly household income
Median total weekly personal income
Collaroy Plateau housing
- Median rent
- $800/wk
- Median mortgage repayment
- $3,467/mo
- Separate houses
- 91.1%
- Flats & apartments
- 3.1%
- Owned outright
- 36.3%
- Mortgaged
- 46.5%
- Rented
- 12%
- Unoccupied dwellings
- 3.4%
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
Collaroy Plateau work
- Employment to population
- 68.2%
- Unemployment rate
- 2.4%
- Year 12 or above
- 69.5%
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 2097)
Compare Collaroy Plateau with nearby suburbs
Collaroy Plateau in numbers
Collaroy Plateau had 4,805 residents at the 2021 Census. The median age is 40, close to the typical NSW suburb. The average household has 3.2 people. 22.9% of residents were born overseas.
Among occupied homes, 36.3% own their home outright, 46.5% are paying a mortgage, 12% rent. Separate houses make up 91.1% of dwellings, with 3.1% in flats or apartments. Median rent was $800/wk, 100% above the typical NSW suburb.
Median household income was $3,278/wk, 82% above the typical NSW suburb. The unemployment rate on Census night was 2.4%. 69.5% 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 0.8% (from 4,767 to 4,805). Median rent moved from $750/wk to $800/wk (+6.7%).
Collaroy Plateau suburb FAQs
- What is the median rent in Collaroy Plateau, NSW?
- The median weekly rent in Collaroy Plateau was $800/wk at the 2021 Census (ABS).
- How many people live in Collaroy Plateau, NSW?
- Collaroy Plateau had 4,805 residents at the 2021 Census, up 0.8% from 2016.
- What is the median household income in Collaroy Plateau?
- Median household income in Collaroy Plateau was $3,278/wk at the 2021 Census.
- Do most people rent or own in Collaroy Plateau?
- 12% of occupied homes in Collaroy Plateau were rented, 36.3% were owned outright and 46.5% were owned with a mortgage.
About this Collaroy Plateau suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Collaroy Plateau. 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