Suburb profile · ABS Census 2021
Cardiff Heights suburb profile
Cardiff Heights, NSW · Postcode 2285
This Cardiff Heights suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Cardiff Heights, NSW (postcode 2285). 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 Cardiff Heights with nearby suburbs.
Cardiff Heights at a glance
Population
1,384
Median rent
$380/wk
Household income
$1,850/wk
Median age
44
Cardiff 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
+4.6% over 10 years
Population
1,384
was 1,443 in 2016
-59 · -4.1%
Median rent
$380/wk
was $360/wk in 2016
+$20 · +5.6%
Household income
$1,850/wk
was $1,468/wk in 2016
+$382 · +26%
Median age
44
was 46 in 2016
-2 · -4.3%
Dig deeper: Cardiff Heights population growth · Cardiff Heights then and now
Cardiff Heights vs nearby & Greater Sydney
Median Census 2021 figures for Cardiff Heights, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
-22.4% vs area
- Cardiff Heights$380/wk
- Nearby$396.5/wk
- Sydney$490/wk
Household income
-12.7% vs area
- Cardiff Heights$1,850/wk
- Nearby$1,657.5/wk
- Sydney$2,119.5/wk
Median age
+10% vs area
- Cardiff Heights44
- Nearby37
- Sydney40
Personal income
-10.6% vs area
- Cardiff Heights$808/wk
- Nearby$792.5/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Cardiff Heights compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Cardiff Heights ranks among Australia's most advantaged suburbs.
Relative disadvantage (IRSD)
Decile 81,060.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 91,048.1
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 71,053.7
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 81,034.5
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Cardiff Heights on the map
OpenStreetMap outline for Cardiff Heights, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Cardiff Heights people
- Population
- 1,384
- Median age
- 44
- Born overseas
- 13.3%
- Average household size
- 2.4
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Cardiff Heights income
- Median household income
- $1,850/wk
- Median personal income
- $808/wk
Median total weekly household income
Median total weekly personal income
Cardiff Heights housing
- Median rent
- $380/wk
- Median mortgage repayment
- $2,050/mo
- Separate houses
- 78.3%
- Flats & apartments
- 0%
- Owned outright
- 37.2%
- Mortgaged
- 37.7%
- Rented
- 14.8%
- Unoccupied dwellings
- 3.1%
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
Cardiff Heights work
- Employment to population
- 57.9%
- Unemployment rate
- 2.3%
- Year 12 or above
- 51.5%
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 2285)
Compare Cardiff Heights with nearby suburbs
Cardiff Heights in numbers
Cardiff Heights had 1,384 residents at the 2021 Census. The median age is 44, 7% above the typical NSW suburb. The average household has 2.4 people. 13.3% of residents were born overseas.
Among occupied homes, 37.2% own their home outright, 37.7% are paying a mortgage, 14.8% rent. Separate houses make up 78.3% of dwellings, with 0% in flats or apartments. Median rent was $380/wk, 5% below the typical NSW suburb.
Median household income was $1,850/wk, 3% above the typical NSW suburb. The unemployment rate on Census night was 2.3%. 51.5% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 8 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population fell 4.1% (from 1,443 to 1,384). Median rent moved from $360/wk to $380/wk (+5.6%).
Cardiff Heights suburb FAQs
- What is the median rent in Cardiff Heights, NSW?
- The median weekly rent in Cardiff Heights was $380/wk at the 2021 Census (ABS).
- How many people live in Cardiff Heights, NSW?
- Cardiff Heights had 1,384 residents at the 2021 Census, down 4.1% from 2016.
- What is the median household income in Cardiff Heights?
- Median household income in Cardiff Heights was $1,850/wk at the 2021 Census.
- Do most people rent or own in Cardiff Heights?
- 14.8% of occupied homes in Cardiff Heights were rented, 37.2% were owned outright and 37.7% were owned with a mortgage.
About this Cardiff Heights suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Cardiff 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