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Twin Waters 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 Twin Waters Compares
Twin Waters vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Twin Waters | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,689 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $650 +QLD | $380 | $390 |
| Mortgage/month | $2,167 +QLD | $1,774 | $1,958 |
| Median age | 60 | 44.0 | 45.0 |
| SEIFA decile | 9/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 3.3% -QLD | 6.0% | 5.0% |
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.
Twin Waters is a coastal suburb of Brisbane in Queensland, with postcode 4564. It sits about 93 km from the Brisbane CBD, within the Sunshine Coast local government area. The suburb footprint covers roughly 3.9 square kilometres.
According to the 2021 Census, Twin Waters has a population of 2,966 with a median age of 60. The median weekly household income is $1,689, close to the QLD average. The unemployment rate is 3.3%, lower than the QLD average. The Indigenous population is 13 (0.4% of residents).
Housing in Twin Waters includes a median weekly rent of $650, median monthly mortgage repayment of $2,167, with 1,151 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 87.7% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Twin Waters scores in decile 9 out of 10, which is well above the national average.
Twin Waters is part of the Maroochy statistical area in Queensland.
Twin Waters Details
| Postcode | 4564 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 2,966 |
| Median Age | 60 years |
| Median Household Income (Census 2021) | $1,689/week |
| Median Personal Income (Census 2021) | $780/week |
| Median Weekly Rent (Census 2021) | $650 |
| Median Monthly Mortgage (Census 2021) | $2,167 |
| Average Household Size | 2.3 persons |
| Area | 3.9 km² |
| Population Density | 757/km² |
| Total Dwellings | 1,151 |
| Australian Citizens | 87.7% |
| Indigenous Population | 13 (0.4%) |
| Unemployment Rate | 3.3% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -26.633 |
| Longitude | 153.081 |
| Distance from Brisbane | 93 km |
| Region (SA4) | Sunshine Coast |
| Area (SA3) | Maroochy |
| Local Government | Sunshine Coast |
| Federal Electorate | Fairfax |
Age Profile
Show counts
| 0–14 years | 292 (9.8%) |
| 15–24 years | 227 (7.7%) |
| 25–44 years | 319 (10.8%) |
| 45–64 years | 892 (30.1%) |
| 65+ years | 1,232 (41.5%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 442 (14.9%) |
| Heart Disease | 229 (7.7%) |
| Asthma | 216 (7.3%) |
| Cancer | 184 (6.2%) |
| Diabetes | 136 (4.6%) |
| Lung Condition | 79 (2.7%) |
| Dementia | 30 (1.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 23 (2.0%) |
| 1 vehicle | 397 (34.4%) |
| 2 vehicles | 539 (46.7%) |
| 3+ vehicles | 194 (16.8%) |
Suburbs Near Twin Waters
Same Postcode (4564)
More Twin Waters 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.