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Karragarra Island Postcode
Queensland
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Karragarra Island Compares
Karragarra Island vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Karragarra Island | QLD avg | AU avg | Greater Brisbane |
|---|---|---|---|---|
| Household income/wk | $872 -QLD | $1,770 | $1,836 | $1,945 |
| Rent/wk | $268 -QLD | $380 | $390 | $402 |
| Mortgage/month | $867 -QLD | $1,774 | $1,958 | $1,919 |
| Median age | 63 | 44.0 | 45.0 | 38.0 |
| SEIFA decile | 2/10 -QLD | 4.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 4.1% -QLD | 6.0% | 5.0% | 6.0% |
Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Karragarra Island is a remote community in Queensland, with postcode 4184. It lies roughly 39 km from Brisbane, classified by the ABS as remote Australia. The area is administered by Redland.
According to the 2021 Census, Karragarra Island has a population of 240 with a median age of 63. The median weekly household income is $872, below the QLD average. The unemployment rate is 4.1%, lower than the QLD average. The Indigenous population is 10 (4.2% of residents).
Housing in Karragarra Island includes a median weekly rent of $268, median monthly mortgage repayment of $867, with 118 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 86.7% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Karragarra Island scores in decile 2 out of 10, which is well below the national average.
Karragarra Island is part of the Cleveland - Stradbroke statistical area in Queensland.
Karragarra Island Details
| Postcode | 4184 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 240 |
| Median Age | 63 years |
| Median Household Income (Census 2021) | $872/week |
| Median Personal Income (Census 2021) | $477/week |
| Median Weekly Rent (Census 2021) | $268 |
| Median Monthly Mortgage (Census 2021) | $867 |
| Average Household Size | 1.8 persons |
| Area | 1.0 km² |
| Population Density | 238/km² |
| Total Dwellings | 118 |
| Australian Citizens | 87.1% |
| Indigenous Population | 10 (4.2%) |
| Unemployment Rate | 4.1% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -27.637184 |
| Longitude | 153.3718169 |
| Distance from Brisbane | 39 km |
| Region (SA4) | Brisbane - East |
| Area (SA3) | Cleveland - Stradbroke |
| Local Government | Redland |
| Federal Electorate | Bowman |
Age Profile
Show counts
| 0–14 years | 14 (5.8%) |
| 15–24 years | 10 (4.2%) |
| 25–44 years | 23 (9.6%) |
| 45–64 years | 90 (37.5%) |
| 65+ years | 100 (41.7%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 61 (25.4%) |
| Heart Disease | 23 (9.6%) |
| Diabetes | 22 (9.2%) |
| Asthma | 22 (9.2%) |
| Cancer | 19 (7.9%) |
| Lung Condition | 13 (5.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 12 (10.8%) |
| 1 vehicle | 57 (51.4%) |
| 2 vehicles | 27 (24.3%) |
| 3+ vehicles | 15 (13.5%) |
Suburbs Near Karragarra Island
Same Postcode (4184)
More Karragarra Island Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.