Suburb profile · ABS Census 2021
Castle Cove suburb profile
Castle Cove, NSW · Postcode 2069
This Castle Cove suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Castle Cove, NSW (postcode 2069). 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 Castle Cove with nearby suburbs.
Castle Cove at a glance
Population
2,643
Median rent
$1,000/wk
Household income
$3,439/wk
Median age
46
Castle Cove 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
+4.8% over 10 years
Population
2,643
was 2,554 in 2016
+89 · +3.5%
Median rent
$1,000/wk
was $923/wk in 2016
+$77 · +8.3%
Household income
$3,439/wk
was $2,797/wk in 2016
+$642 · +23%
Median age
46
was 44 in 2016
+2 · +4.5%
Dig deeper: Castle Cove population growth · Castle Cove then and now
Castle Cove vs nearby & Greater Sydney
Median Census 2021 figures for Castle Cove, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
+104.1% vs area
- Castle Cove$1,000/wk
- Nearby$736.5/wk
- Sydney$490/wk
Household income
+62.3% vs area
- Castle Cove$3,439/wk
- Nearby$3,328.5/wk
- Sydney$2,119.5/wk
Median age
+15% vs area
- Castle Cove46
- Nearby41
- Sydney40
Personal income
+34.9% vs area
- Castle Cove$1,219/wk
- Nearby$1,185.5/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Castle Cove compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Castle Cove ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,122.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,179.6
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 101,147.5
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,183.8
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Castle Cove on the map
OpenStreetMap outline for Castle Cove, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Castle Cove people
- Population
- 2,643
- Median age
- 46
- Born overseas
- 37.8%
- Average household size
- 2.9
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Castle Cove income
- Median household income
- $3,439/wk
- Median personal income
- $1,219/wk
Median total weekly household income
Median total weekly personal income
Castle Cove housing
- Median rent
- $1,000/wk
- Median mortgage repayment
- $4,000/mo
- Separate houses
- 84.1%
- Flats & apartments
- 3.1%
- Owned outright
- 44.9%
- Mortgaged
- 30.9%
- Rented
- 10%
- Unoccupied dwellings
- 6.9%
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
Castle Cove work
- Employment to population
- 55.4%
- Unemployment rate
- 3.8%
- Year 12 or above
- 83.4%
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 2069)
Compare Castle Cove with nearby suburbs
Castle Cove in numbers
Castle Cove had 2,643 residents at the 2021 Census. The median age is 46, 12% above the typical NSW suburb. The average household has 2.9 people. 37.8% of residents were born overseas.
Among occupied homes, 44.9% own their home outright, 30.9% are paying a mortgage, 10% rent. Separate houses make up 84.1% of dwellings, with 3.1% in flats or apartments. Median rent was $1,000/wk, 150% above the typical NSW suburb.
Median household income was $3,439/wk, 91% above the typical NSW suburb. The unemployment rate on Census night was 3.8%. 83.4% 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 3.5% (from 2,554 to 2,643). Median rent moved from $923/wk to $1,000/wk (+8.3%).
Castle Cove suburb FAQs
- What is the median rent in Castle Cove, NSW?
- The median weekly rent in Castle Cove was $1,000/wk at the 2021 Census (ABS).
- How many people live in Castle Cove, NSW?
- Castle Cove had 2,643 residents at the 2021 Census, up 3.5% from 2016.
- What is the median household income in Castle Cove?
- Median household income in Castle Cove was $3,439/wk at the 2021 Census.
- Do most people rent or own in Castle Cove?
- 10% of occupied homes in Castle Cove were rented, 44.9% were owned outright and 30.9% were owned with a mortgage.
About this Castle Cove suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Castle Cove. 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