ABS 2021 Census · Updated 31 March 2026
Marleston is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 1,950, making it a boutique locality. Located 4 km from the Adelaide CBD, Marleston is a middle ring area in South Australia. The median household income is $73,736 AUD per year (ABS 2021 Census).
Household incomes in Marleston sit in a comfortable mid-range for the South Australia market. The short commute to the city centre is a key demand driver.
Map shows Marleston, South Australia, Australia.
Official Australia Post postcode for Marleston. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at census night. Source: ABS 2021 Census of Population and Housing.
ABS Census Data →Weekly median rent for occupied private dwellings. Source: ABS 2021 Census. Live rental data integration coming soon.
State Rental Authority →Annual median household income (before tax) for all households. Source: ABS 2021 Census.
ABS Census Data →Straight-line distance from the suburb centroid (ABS 2021 SAL geography) to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb based on ABS 2021 data.
Find schools near Marleston on My School →Estimated 1 park and green spaces near this suburb. Source: ABS 2021 data.
Monthly median mortgage repayment for households currently paying off a mortgage. Source: ABS 2021 Census.
ABS Census Data →Proportion of separate houses vs units, townhouses, and other dwelling types. Source: ABS 2021 Census. Relevant for investors assessing rental demand mix.
ABS Census Data →Marleston's middle-ring location balances affordability with accessibility. These suburbs often benefit from established infrastructure, good schools, and transport links — making them attractive to families and long-term tenants. The median rent of $290/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,528/month.
Marleston offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Achieving strong cash flow in Marleston is challenging at current rent-to-price ratios.
Limited buyer depth in Marleston makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Marleston property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Marleston is expected to see moderate price growth in 2026 as the broader South Australia market stabilises. Tenants in Marleston have options — presenting well-maintained properties is key to minimising vacancy. Marleston offers measured appeal for investors willing to look beyond headline metrics.
Marleston is a middle ring area in South Australia with a population of 1,950. The median rent is $290/week and the median household income is $73,736/year (ABS 2021 Census). As with any property investment, conduct thorough due diligence on current listings, vacancy rates, and local infrastructure plans before committing.
Key demand drivers in Marleston include established amenities and transport access. 47% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Marleston has a population of approximately 1,950. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Marleston is approximately 4 km straight-line distance from the Adelaide CBD (calculated from ABS 2021 suburb centroid coordinates). This close proximity means excellent access to employment, dining, and entertainment.