ABS 2021 Census · Updated 31 March 2026
St Johns is a regional centre in South Australia, Australia, with a population of approximately 8, making it a boutique locality. Located approximately 69 km from the Adelaide CBD, St Johns is a regional area in South Australia. The median household income is $110,448 AUD per year (ABS 2021 Census).
Strong household incomes in St Johns underpin solid property demand. Distance from major centres is a consideration, though regional markets can offer higher rental yields.
Map shows St Johns, South Australia, Australia.
Official Australia Post postcode for St Johns. 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 Johns 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 →As a regional centre, St Johns serves a wide catchment area. Regional property can offer higher rental yields than metro equivalents, though investors should assess local employment diversity and infrastructure plans. The median rent of $180/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,614/month. A median household income of $110,448/year supports premium property values and indicates a well-employed resident base.
A buy-and-hold approach in St Johns could work well with careful property selection and a longer time horizon.
Rental yields in St Johns tend to be lower — investors may need to rely on capital growth instead.
Limited buyer depth in St Johns makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a St Johns property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital growth in St Johns may remain subdued in 2026, with limited demand drivers in the near term. The rental pipeline in St Johns is thinner — flexible lease terms could help secure tenants faster. Investor sentiment toward St Johns is currently lukewarm — value hunters may find opportunity here.
St Johns is a regional area in South Australia with a population of 8. The median rent is $180/week and the median household income is $110,448/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 Johns include regional employment hubs, lifestyle, and affordability. 63% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, St Johns has a population of approximately 8. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
St Johns is approximately 69 km straight-line distance from the Adelaide CBD (calculated from ABS 2021 suburb centroid coordinates). Road travel times will vary; check current mapping services for up-to-date routes.