Alderley 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 Alderley Compares
Alderley vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Alderley | QLD avg | AU avg | Greater Brisbane |
|---|---|---|---|---|
| Household income/wk | $2,320 +QLD | $1,770 | $1,836 | $1,945 |
| Rent/wk | $390 ≈QLD | $380 | $390 | $402 |
| Mortgage/month | $2,200 +QLD | $1,774 | $1,958 | $1,919 |
| Median age | 35 | 44.0 | 45.0 | 38.0 |
| SEIFA decile | 10/10 +QLD | 4.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 3.9% -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.
Alderley is a coastal suburb of Brisbane in Queensland, with postcode 4051. It sits about 5 km from the Brisbane CBD, within the Brisbane local government area. The suburb footprint covers roughly 2.6 square kilometres.
According to the 2021 Census, Alderley has a population of 6,748 with a median age of 35. The median weekly household income is $2,320, above the QLD average. The unemployment rate is 3.9%, lower than the QLD average. The Indigenous population is 91 (1.3% of residents).
Housing in Alderley includes a median weekly rent of $390, median monthly mortgage repayment of $2,200, with 2,696 total dwellings. These housing costs sit above the QLD average. Rental properties account for 41.7% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Alderley scores in decile 10 out of 10, which is well above the national average.
Alderley is part of the Brisbane Inner - West statistical area in Queensland.
Alderley Details
| Postcode | 4051 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 6,748 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $2,320/week |
| Median Personal Income (Census 2021) | $1,190/week |
| Median Weekly Rent (Census 2021) | $390 |
| Median Monthly Mortgage (Census 2021) | $2,200 |
| Average Household Size | 2.4 persons |
| Area | 2.6 km² |
| Population Density | 2625/km² |
| Total Dwellings | 2,696 |
| Australian Citizens | 89.1% |
| Indigenous Population | 91 (1.3%) |
| Unemployment Rate | 3.9% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -27.423889 |
| Longitude | 153.005 |
| Distance from Brisbane | 5 km |
| Region (SA4) | Brisbane Inner City |
| Area (SA3) | Brisbane Inner - West |
| Local Government | Brisbane |
| Federal Electorate | Brisbane |
Age Profile
Show counts
| 0–14 years | 1,149 (17.0%) |
| 15–24 years | 998 (14.8%) |
| 25–44 years | 2,293 (34.0%) |
| 45–64 years | 1,633 (24.2%) |
| 65+ years | 688 (10.2%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 513 (7.6%) |
| Arthritis | 329 (4.9%) |
| Diabetes | 177 (2.6%) |
| Cancer | 171 (2.5%) |
| Heart Disease | 162 (2.4%) |
| Lung Condition | 82 (1.2%) |
| Dementia | 12 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 216 (8.1%) |
| 1 vehicle | 1,081 (40.5%) |
| 2 vehicles | 994 (37.2%) |
| 3+ vehicles | 378 (14.2%) |
Suburbs Near Alderley
Same Postcode (4051)
More Alderley 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.