Suburb profile · ABS Census 2021
Chain Valley Bay suburb profile
Chain Valley Bay, NSW · Postcode 2259
This Chain Valley Bay suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Chain Valley Bay, NSW (postcode 2259). 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 Chain Valley Bay with nearby suburbs.
Chain Valley Bay at a glance
Population
2,773
Median rent
$370/wk
Household income
$866/wk
Median age
63
Chain Valley Bay 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
+21.4% over 10 years
Population
2,773
was 2,459 in 2016
+314 · +12.8%
Median rent
$370/wk
was $320/wk in 2016
+$50 · +15.6%
Household income
$866/wk
was $844/wk in 2016
+$22 · +2.6%
Median age
63
was 56 in 2016
+7 · +12.5%
Dig deeper: Chain Valley Bay population growth · Chain Valley Bay then and now
Chain Valley Bay vs nearby & Greater Sydney
Median Census 2021 figures for Chain Valley Bay, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
-24.5% vs area
- Chain Valley Bay$370/wk
- Nearby$382.5/wk
- Sydney$490/wk
Household income
-59.1% vs area
- Chain Valley Bay$866/wk
- Nearby$1,418.5/wk
- Sydney$2,119.5/wk
Median age
+57.5% vs area
- Chain Valley Bay63
- Nearby39
- Sydney40
Personal income
-41.3% vs area
- Chain Valley Bay$530/wk
- Nearby$669.5/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Chain Valley Bay compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Chain Valley Bay ranks among Australia's most disadvantaged suburbs. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 2934.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 1887
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 3979.1
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 1852.1
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Chain Valley Bay on the map
OpenStreetMap outline for Chain Valley Bay, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Chain Valley Bay people
- Population
- 2,773
- Median age
- 63
- Born overseas
- 14.4%
- Average household size
- 2.1
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Chain Valley Bay income
- Median household income
- $866/wk
- Median personal income
- $530/wk
Median total weekly household income
Median total weekly personal income
Chain Valley Bay housing
- Median rent
- $370/wk
- Median mortgage repayment
- $1,647/mo
- Separate houses
- 85.9%
- Flats & apartments
- 0.3%
- Owned outright
- 61.4%
- Mortgaged
- 21.7%
- Rented
- 9%
- Unoccupied dwellings
- 4.8%
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
Chain Valley Bay work
- Employment to population
- 32.1%
- Unemployment rate
- 5.9%
- Year 12 or above
- 26.1%
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 2259)
Compare Chain Valley Bay with nearby suburbs
Chain Valley Bay in numbers
Chain Valley Bay had 2,773 residents at the 2021 Census. The median age is 63, 54% above the typical NSW suburb. The average household has 2.1 people. 14.4% of residents were born overseas.
Among occupied homes, 61.4% own their home outright, 21.7% are paying a mortgage, 9% rent. Separate houses make up 85.9% of dwellings, with 0.3% in flats or apartments. Median rent was $370/wk, 7% below the typical NSW suburb.
Median household income was $866/wk, 52% below the typical NSW suburb. The unemployment rate on Census night was 5.9%. 26.1% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 2 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 12.8% (from 2,459 to 2,773). Median rent moved from $320/wk to $370/wk (+15.6%).
Chain Valley Bay suburb FAQs
- What is the median rent in Chain Valley Bay, NSW?
- The median weekly rent in Chain Valley Bay was $370/wk at the 2021 Census (ABS).
- How many people live in Chain Valley Bay, NSW?
- Chain Valley Bay had 2,773 residents at the 2021 Census, up 12.8% from 2016.
- What is the median household income in Chain Valley Bay?
- Median household income in Chain Valley Bay was $866/wk at the 2021 Census.
- Do most people rent or own in Chain Valley Bay?
- 9% of occupied homes in Chain Valley Bay were rented, 61.4% were owned outright and 21.7% were owned with a mortgage.
About this Chain Valley Bay suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Chain Valley Bay. 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