Suburb profile · ABS Census 2021
Castle Hill suburb profile
Castle Hill, QLD · Postcode 4810
This Castle Hill suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Castle Hill, QLD (postcode 4810). 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 Hill with nearby suburbs.
Castle Hill at a glance
Population
972
Median rent
$570/wk
Household income
$3,781/wk
Median age
46
Castle Hill 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
+6.3% over 10 years
Population
972
was 941 in 2016
+31 · +3.3%
Median rent
$570/wk
was $475/wk in 2016
+$95 · +20%
Household income
$3,781/wk
was $2,954/wk in 2016
+$827 · +28%
Median age
46
was 45 in 2016
+1 · +2.2%
Dig deeper: Castle Hill population growth · Castle Hill then and now
Castle Hill vs nearby & QLD
Median Census 2021 figures for Castle Hill, nearby suburbs (8), and the QLD state median (suburbs with 1,000+ people).
Rent
+54.1% vs area
- Castle Hill$570/wk
- Nearby$292.5/wk
- QLD$370/wk
Household income
+120% vs area
- Castle Hill$3,781/wk
- Nearby$1,522.5/wk
- QLD$1,719/wk
Median age
+17.9% vs area
- Castle Hill46
- Nearby40
- QLD39
Personal income
+104.3% vs area
- Castle Hill$1,616/wk
- Nearby$942.5/wk
- QLD$791/wk
Nearby uses the same postcode first, then larger suburbs in QLD.
Socio-economic profile
How Castle Hill compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Castle Hill ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,120.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,163.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 101,123.3
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,164.2
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Castle Hill on the map
OpenStreetMap outline for Castle Hill, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Castle Hill people
- Population
- 972
- Median age
- 46
- Born overseas
- 20.3%
- Average household size
- 2.7
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Castle Hill income
- Median household income
- $3,781/wk
- Median personal income
- $1,616/wk
Median total weekly household income
Median total weekly personal income
Castle Hill housing
- Median rent
- $570/wk
- Median mortgage repayment
- $2,817/mo
- Separate houses
- 83.7%
- Flats & apartments
- 3.1%
- Owned outright
- 43.3%
- Mortgaged
- 36.2%
- Rented
- 12.1%
- Unoccupied dwellings
- 8.9%
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 Hill work
- Employment to population
- 68.5%
- Unemployment rate
- 4.2%
- Year 12 or above
- 78.2%
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 4810)
Compare Castle Hill with nearby suburbs
Castle Hill in numbers
Castle Hill had 972 residents at the 2021 Census. The median age is 46, 15% above the typical QLD suburb. The average household has 2.7 people. 20.3% of residents were born overseas.
Among occupied homes, 43.3% own their home outright, 36.2% are paying a mortgage, 12.1% rent. Separate houses make up 83.7% of dwellings, with 3.1% in flats or apartments. Median rent was $570/wk, 63% above the typical QLD suburb.
Median household income was $3,781/wk, 124% above the typical QLD suburb. The unemployment rate on Census night was 4.2%. 78.2% 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 3.3% (from 941 to 972). Median rent moved from $475/wk to $570/wk (+20%).
Castle Hill suburb FAQs
- What is the median rent in Castle Hill, QLD?
- The median weekly rent in Castle Hill was $570/wk at the 2021 Census (ABS).
- How many people live in Castle Hill, QLD?
- Castle Hill had 972 residents at the 2021 Census, up 3.3% from 2016.
- What is the median household income in Castle Hill?
- Median household income in Castle Hill was $3,781/wk at the 2021 Census.
- Do most people rent or own in Castle Hill?
- 12.1% of occupied homes in Castle Hill were rented, 43.3% were owned outright and 36.2% were owned with a mortgage.
About this Castle Hill suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Castle Hill (Qld). 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