Suburb profile · ABS Census 2021
Cockatoo suburb profile
Cockatoo, VIC · Postcode 3781
This Cockatoo suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Cockatoo, VIC (postcode 3781). 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 Cockatoo with nearby suburbs.
Cockatoo at a glance
Population
4,408
Median rent
$370/wk
Household income
$1,991/wk
Median age
36
Cockatoo 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
+2.8% over 10 years
Population
4,408
was 4,256 in 2016
+152 · +3.6%
Median rent
$370/wk
was $320/wk in 2016
+$50 · +15.6%
Household income
$1,991/wk
was $1,554/wk in 2016
+$437 · +28.1%
Median age
36
was 36 in 2016
0 · 0%
Dig deeper: Cockatoo population growth · Cockatoo then and now
Cockatoo vs nearby & VIC
Median Census 2021 figures for Cockatoo, nearby suburbs (8), and the VIC state median (suburbs with 1,000+ people).
Rent
+1.1% vs area
- Cockatoo$370/wk
- Nearby$353/wk
- VIC$366/wk
Household income
+9.8% vs area
- Cockatoo$1,991/wk
- Nearby$1,952/wk
- VIC$1,813/wk
Median age
-10% vs area
- Cockatoo36
- Nearby44
- VIC40
Personal income
+6.2% vs area
- Cockatoo$853/wk
- Nearby$772/wk
- VIC$803/wk
Nearby uses the same postcode first, then larger suburbs in VIC.
Socio-economic profile
How Cockatoo compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Cockatoo sits around the national middle for socio-economic advantage.
Relative disadvantage (IRSD)
Decile 71,039.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 6994.6
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 81,062
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 5973.9
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Cockatoo on the map
OpenStreetMap outline for Cockatoo, VIC.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Cockatoo people
- Population
- 4,408
- Median age
- 36
- Born overseas
- 12.1%
- Average household size
- 2.8
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Cockatoo income
- Median household income
- $1,991/wk
- Median personal income
- $853/wk
Median total weekly household income
Median total weekly personal income
Cockatoo housing
- Median rent
- $370/wk
- Median mortgage repayment
- $1,742/mo
- Separate houses
- 93.9%
- Flats & apartments
- 0%
- Owned outright
- 22.8%
- Mortgaged
- 61.8%
- Rented
- 7.1%
- Unoccupied dwellings
- 5.5%
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
Cockatoo work
- Employment to population
- 64.9%
- Unemployment rate
- 3.2%
- Year 12 or above
- 50.7%
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 3781)
Compare Cockatoo with nearby suburbs
Cockatoo in numbers
Cockatoo had 4,408 residents at the 2021 Census, making it the 391st most populous suburb or locality in VIC out of 2,835. The median age is 36, 12% below the typical VIC suburb. The average household has 2.8 people. 12.1% of residents were born overseas.
Among occupied homes, 22.8% own their home outright, 61.8% are paying a mortgage, 7.1% rent. Separate houses make up 93.9% of dwellings, with 0% in flats or apartments. Median rent was $370/wk, 6% above the typical VIC suburb.
Median household income was $1,991/wk, 12% above the typical VIC suburb. The unemployment rate on Census night was 3.2%. 50.7% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 7 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 3.6% (from 4,256 to 4,408). Median rent moved from $320/wk to $370/wk (+15.6%).
Cockatoo suburb FAQs
- What is the median rent in Cockatoo, VIC?
- The median weekly rent in Cockatoo was $370/wk at the 2021 Census (ABS).
- How many people live in Cockatoo, VIC?
- Cockatoo had 4,408 residents at the 2021 Census, up 3.6% from 2016.
- What is the median household income in Cockatoo?
- Median household income in Cockatoo was $1,991/wk at the 2021 Census.
- Do most people rent or own in Cockatoo?
- 7.1% of occupied homes in Cockatoo were rented, 22.8% were owned outright and 61.8% were owned with a mortgage.
About this Cockatoo suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Cockatoo (Vic.). 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