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South Australia · Postcode 5033
Marleston postcode and suburb data
South Australia · Phone area code 08 · 4 km from Adelaide
Suburb snapshot
Marleston at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Detailed comparison table
Marleston vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Marleston | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,418 ≈SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $290 ≈SA | $308 | $390 | $329 |
| Mortgage/month | $1,528 ≈SA | $1,558 | $1,958 | $1,666 |
| Median age | 37 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 5/10 ≈SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 4.4% -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.
Marleston is a coastal suburb of Adelaide in South Australia, with postcode 5033. It sits about 4 km from the Adelaide CBD, within the West Torrens local government area. The suburb footprint covers roughly 1.0 square kilometres.
According to the 2021 Census, Marleston has a population of 1,950 with a median age of 37. The median weekly household income is $1,418, close to the SA average. The unemployment rate is 4.4%, lower than the SA average. The Indigenous population is 26 (1.3% of residents).
Housing in Marleston includes a median weekly rent of $290, median monthly mortgage repayment of $1,528, with 836 total dwellings. Rental properties account for 47.2% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Marleston scores in decile 5 out of 10, which is around the national average.
Marleston is part of the West Torrens statistical area in South Australia.
Marleston details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5033 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 1,950 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $1,418/week |
| Median Personal Income (Census 2021) | $746/week |
| Median Weekly Rent (Census 2021) | $290 |
| Median Monthly Mortgage (Census 2021) | $1,528 |
| Average Household Size | 2.1 persons |
| Area | 1.0 km² |
| Population Density | 2019/km² |
| Total Dwellings | 836 |
| Australian Citizens | 77.9% |
| Indigenous Population | 26 (1.3%) |
| Unemployment Rate | 4.4% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -34.9443303 |
| Longitude | 138.5625029 |
| Distance from Adelaide | 4 km |
| Region (SA4) | Adelaide - West |
| Area (SA3) | West Torrens |
| Local Government | West Torrens |
| Federal Electorate | Adelaide |
| State Electorate | West Torrens |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 244 (12.5%) |
| 15–24 years | 262 (13.4%) |
| 25–44 years | 708 (36.3%) |
| 45–64 years | 380 (19.5%) |
| 65+ years | 355 (18.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 186 (9.5%) |
| Asthma | 156 (8.0%) |
| Diabetes | 98 (5.0%) |
| Heart Disease | 85 (4.4%) |
| Dementia | 79 (4.1%) |
| Cancer | 50 (2.6%) |
| Lung Condition | 41 (2.1%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 91 (11.0%) |
| 1 vehicle | 378 (45.9%) |
| 2 vehicles | 273 (33.1%) |
| 3+ vehicles | 82 (10.0%) |
Suburbs Near Marleston
Same Postcode (5033)
More Marleston 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.