Suburb profile · ABS Census 2021
Karragarra Island suburb profile
Karragarra Island, QLD · Postcode 4184
This Karragarra Island suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Karragarra Island, QLD (postcode 4184). 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 Karragarra Island with nearby suburbs.
Karragarra Island at a glance
Population
240
Median rent
$268/wk
Household income
$872/wk
Median age
63
Karragarra Island 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
+50% over 10 years
Population
240
was 204 in 2016
+36 · +17.6%
Median rent
$268/wk
was $235/wk in 2016
+$33 · +14%
Household income
$872/wk
was $820/wk in 2016
+$52 · +6.3%
Median age
63
was 59 in 2016
+4 · +6.8%
Dig deeper: Karragarra Island population growth · Karragarra Island then and now
Karragarra Island vs nearby & Greater Brisbane
Median Census 2021 figures for Karragarra Island, nearby suburbs (8), and the Brisbane metro median (suburbs with 1,000+ people).
Rent
-36.2% vs area
- Karragarra Island$268/wk
- Nearby$293.5/wk
- Brisbane$420/wk
Household income
-56.7% vs area
- Karragarra Island$872/wk
- Nearby$1,001.5/wk
- Brisbane$2,015/wk
Median age
+70.3% vs area
- Karragarra Island63
- Nearby57
- Brisbane37
Personal income
-44.9% vs area
- Karragarra Island$477/wk
- Nearby$590.5/wk
- Brisbane$865/wk
Nearby uses the same postcode first, then larger suburbs in QLD. See Brisbane rankings.
Socio-economic profile
How Karragarra Island compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Karragarra Island sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources.
Relative disadvantage (IRSD)
Decile 2919.2
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 2904
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 1920.3
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 71,011.5
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Karragarra Island on the map
OpenStreetMap outline for Karragarra Island, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Karragarra Island people
- Population
- 240
- Median age
- 63
- Born overseas
- 22.5%
- Average household size
- 1.8
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Karragarra Island income
- Median household income
- $872/wk
- Median personal income
- $477/wk
Median total weekly household income
Median total weekly personal income
Karragarra Island housing
- Median rent
- $268/wk
- Median mortgage repayment
- $867/mo
- Separate houses
- 69.8%
- Flats & apartments
- 0%
- Owned outright
- 45.3%
- Mortgaged
- 16.4%
- Rented
- 9.4%
- Unoccupied dwellings
- 28.9%
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
Karragarra Island work
- Employment to population
- 29.8%
- Unemployment rate
- 4.1%
- Year 12 or above
- 42.8%
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 4184)
Compare Karragarra Island with nearby suburbs
Karragarra Island in numbers
Karragarra Island had 240 residents at the 2021 Census. The median age is 63, 57% above the typical QLD suburb. The average household has 1.8 people. 22.5% of residents were born overseas.
Among occupied homes, 45.3% own their home outright, 16.4% are paying a mortgage, 9.4% rent. Separate houses make up 69.8% of dwellings, with 0% in flats or apartments. Median rent was $268/wk, 23% below the typical QLD suburb.
Median household income was $872/wk, 48% below the typical QLD suburb. 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 17.6% (from 204 to 240). Median rent moved from $235/wk to $268/wk (+14%).
Karragarra Island suburb FAQs
- What is the median rent in Karragarra Island, QLD?
- The median weekly rent in Karragarra Island was $268/wk at the 2021 Census (ABS).
- How many people live in Karragarra Island, QLD?
- Karragarra Island had 240 residents at the 2021 Census, up 17.6% from 2016.
- What is the median household income in Karragarra Island?
- Median household income in Karragarra Island was $872/wk at the 2021 Census.
- Do most people rent or own in Karragarra Island?
- 9.4% of occupied homes in Karragarra Island were rented, 45.3% were owned outright and 16.4% were owned with a mortgage.
About this Karragarra Island suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Karragarra Island. 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