ABS 2021 Census · Updated 31 March 2026
St Kilda is an outer-metropolitan suburb of Adelaide, Australia, with a population of approximately 88, making it a boutique locality. Located approximately 20 km from the Adelaide CBD, St Kilda is a outer metro area in South Australia. The median household income is $36,244 AUD per year (ABS 2021 Census).
St Kilda's income profile suggests a value-oriented market with competitive purchase prices.
Map shows St Kilda, South Australia, Australia.
Official Australia Post postcode for St Kilda. 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 Kilda 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 Kilda's outer-metropolitan position means more affordable entry points for investors, with potential for capital growth as infrastructure extends outward. Demand is often driven by young families seeking space and value. The median rent of $250/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $867/month.
A buy-and-hold approach in St Kilda could work well with careful property selection and a longer time horizon.
St Kilda can deliver reasonable rental income, though yields are not the primary draw.
Renovation or flip strategies in St Kilda face headwinds from a smaller buyer pool and slower turnover.
Run the numbers on a St Kilda property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →St Kilda faces a cautious growth outlook for 2026 — investors should focus on yield rather than short-term gains. Rental demand is expected to be stable, though landlords may need to remain competitive on pricing. Investor sentiment toward St Kilda is currently lukewarm — value hunters may find opportunity here.
St Kilda is a outer metro area in South Australia with a population of 88. The median rent is $250/week and the median household income is $36,244/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 Kilda include affordability relative to inner suburbs and expanding infrastructure. 68% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, St Kilda has a population of approximately 88. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
St Kilda is approximately 20 km straight-line distance from the Adelaide CBD (calculated from ABS 2021 suburb centroid coordinates). This is within comfortable commuting range with good transport links.