ABS 2021 Census · Updated 31 March 2026
St Clair is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 2,634, making it a boutique locality. Located approximately 9 km from the Adelaide CBD, St Clair is a middle ring area in South Australia. The median household income is $98,280 AUD per year (ABS 2021 Census).
Above-average earnings in St Clair support sustained property values. The short commute to the city centre is a key demand driver.
Map shows St Clair, South Australia, Australia.
Official Australia Post postcode for St Clair. 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 St Clair 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 →St Clair'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 $360/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,733/month. The median household income of $98,280/year reflects a solid demographic, supporting sustainable rental demand. With only 32% separate houses, St Clair has a significant apartment and unit market — typical of inner-city investment corridors.
Solid fundamentals in St Clair support capital growth over a medium to long hold period.
St Clair can deliver reasonable rental income, though yields are not the primary draw.
The resale market in St Clair may not support quick-turnaround renovation projects.
Run the numbers on a St Clair property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →The outlook for capital growth in St Clair is encouraging heading into 2026, driven by constrained supply and buyer competition. The rental market in St Clair should see steady occupancy, with moderate upward pressure on rents. Investor sentiment is cautiously optimistic — selective opportunities exist for well-researched buyers.
St Clair is a middle ring area in South Australia with a population of 2,634. The median rent is $360/week and the median household income is $98,280/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 St Clair include established amenities and transport access. 32% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, St Clair has a population of approximately 2,634. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
St Clair is approximately 9 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.