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West Lakes Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How West Lakes Compares
West Lakes vs the SA average and the national average (2021 Census, population-weighted).
| Metric | West Lakes | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,548 ≈SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $370 +SA | $308 | $390 | $329 |
| Mortgage/month | $1,788 +SA | $1,558 | $1,958 | $1,666 |
| Median age | 54 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 8/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 3.6% -SA | 6.0% | 5.0% | 6.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
West Lakes is a coastal suburb of Adelaide in South Australia, with postcode 5021. It sits about 11 km from the Adelaide CBD, within the Charles Sturt local government area. The suburb footprint covers roughly 4.4 square kilometres.
According to the 2021 Census, West Lakes has a population of 6,768 with a median age of 54. The median weekly household income is $1,548, close to the SA average. The unemployment rate is 3.6%, lower than the SA average. The Indigenous population is 58 (0.9% of residents).
Housing in West Lakes includes a median weekly rent of $370, median monthly mortgage repayment of $1,788, with 2,941 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 83.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, West Lakes scores in decile 8 out of 10, which is above the national average.
West Lakes is part of the Charles Sturt statistical area in South Australia.
West Lakes Details
| Postcode | 5021 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 6,768 |
| Median Age | 54 years |
| Median Household Income (Census 2021) | $1,548/week |
| Median Personal Income (Census 2021) | $791/week |
| Median Weekly Rent (Census 2021) | $370 |
| Median Monthly Mortgage (Census 2021) | $1,788 |
| Average Household Size | 2.2 persons |
| Area | 4.4 km² |
| Population Density | 1535/km² |
| Total Dwellings | 2,941 |
| Australian Citizens | 91.6% |
| Indigenous Population | 58 (0.9%) |
| Unemployment Rate | 3.6% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -34.8722171 |
| Longitude | 138.496221 |
| Distance from Adelaide | 11 km |
| Region (SA4) | Adelaide - West |
| Area (SA3) | Charles Sturt |
| Local Government | Charles Sturt |
| Federal Electorate | Hindmarsh |
Age Profile
Show counts
| 0–14 years | 760 (11.2%) |
| 15–24 years | 582 (8.6%) |
| 25–44 years | 1,308 (19.3%) |
| 45–64 years | 1,676 (24.8%) |
| 65+ years | 2,437 (36.0%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 8 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 902 (13.3%) |
| Asthma | 522 (7.7%) |
| Diabetes | 460 (6.8%) |
| Heart Disease | 457 (6.8%) |
| Cancer | 376 (5.6%) |
| Lung Condition | 158 (2.3%) |
| Dementia | 128 (1.9%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 163 (5.6%) |
| 1 vehicle | 1,146 (39.4%) |
| 2 vehicles | 1,127 (38.7%) |
| 3+ vehicles | 474 (16.3%) |
Suburbs Near West Lakes
More West Lakes 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.