Suburb profile · ABS Census 2021
Illinbah suburb profile
Illinbah, QLD · Postcode 4275
This Illinbah suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Illinbah, QLD (postcode 4275). 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 Illinbah with nearby suburbs.
Illinbah at a glance
Population
128
Median rent
$470/wk
Household income
$1,666/wk
Median age
41
Illinbah 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
+9.4% over 10 years
Population
128
was 129 in 2016
-1 · -0.8%
Median rent
$470/wk
was $300/wk in 2016
+$170 · +56.7%
Household income
$1,666/wk
was $1,375/wk in 2016
+$291 · +21.2%
Median age
41
was 39 in 2016
+2 · +5.1%
Dig deeper: Illinbah population growth · Illinbah then and now
Illinbah vs nearby & Greater Brisbane
Median Census 2021 figures for Illinbah, nearby suburbs (8), and the Brisbane metro median (suburbs with 1,000+ people).
Rent
+11.9% vs area
- Illinbah$470/wk
- Nearby$420/wk
- Brisbane$420/wk
Household income
-17.3% vs area
- Illinbah$1,666/wk
- Nearby$2,067/wk
- Brisbane$2,015/wk
Median age
+10.8% vs area
- Illinbah41
- Nearby40.5
- Brisbane37
Personal income
-20.6% vs area
- Illinbah$687/wk
- Nearby$793.5/wk
- Brisbane$865/wk
Nearby uses the same postcode first, then larger suburbs in QLD. See Brisbane rankings.
Socio-economic profile
How Illinbah compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Illinbah sits above average for socio-economic advantage compared with suburbs Australia-wide. It shows strong access to economic resources.
Relative disadvantage (IRSD)
Decile 71,044.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 71,020
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 91,075
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 6984.8
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Illinbah on the map
OpenStreetMap outline for Illinbah, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Illinbah people
- Population
- 128
- Median age
- 41
- Born overseas
- 16.4%
- 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
Illinbah income
- Median household income
- $1,666/wk
- Median personal income
- $687/wk
Median total weekly household income
Median total weekly personal income
Illinbah housing
- Median rent
- $470/wk
- Median mortgage repayment
- $2,000/mo
- Separate houses
- 84.3%
- Flats & apartments
- 0%
- Owned outright
- 19.6%
- Mortgaged
- 35.3%
- Rented
- 23.5%
- Unoccupied dwellings
- 25.5%
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
Illinbah work
- Employment to population
- 60.6%
- Unemployment rate
- 6.5%
- Year 12 or above
- 44.2%
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 4275)
Compare Illinbah with nearby suburbs
Illinbah in numbers
Illinbah had 128 residents at the 2021 Census. The median age is 41, 3% above the typical QLD suburb. The average household has 2.8 people. 16.4% of residents were born overseas.
Among occupied homes, 19.6% own their home outright, 35.3% are paying a mortgage, 23.5% rent. Separate houses make up 84.3% of dwellings, with 0% in flats or apartments. Median rent was $470/wk, 34% above the typical QLD suburb.
Median household income was $1,666/wk, close to the typical QLD suburb. 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 fell 0.8% (from 129 to 128). Median rent moved from $300/wk to $470/wk (+56.7%).
Illinbah suburb FAQs
- What is the median rent in Illinbah, QLD?
- The median weekly rent in Illinbah was $470/wk at the 2021 Census (ABS).
- How many people live in Illinbah, QLD?
- Illinbah had 128 residents at the 2021 Census, down 0.8% from 2016.
- What is the median household income in Illinbah?
- Median household income in Illinbah was $1,666/wk at the 2021 Census.
- Do most people rent or own in Illinbah?
- 23.5% of occupied homes in Illinbah were rented, 19.6% were owned outright and 35.3% were owned with a mortgage.
About this Illinbah suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Illinbah. 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 Brisbane