ABS 2021 Census · Updated 31 March 2026
Sefton is an outer-metropolitan suburb of Sydney, Australia, with a population of approximately 6,300, making it a smaller community. Located approximately 18 km from the Sydney CBD, Sefton is a outer metro area in New South Wales. The median household income is $79,456 AUD per year (ABS 2021 Census).
Sefton has a solid income profile that supports reliable occupancy rates.
Map shows Sefton, New South Wales, Australia.
Official Australia Post postcode for Sefton. 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 2 schools within or near this suburb based on ABS 2021 data.
Find schools near Sefton on My School →Estimated 3 parks 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 →Sefton'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 $425/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $2,000/month. The median household income of $79,456/year reflects a solid demographic, supporting sustainable rental demand.
Holding property in Sefton over the medium term may deliver steady, if unspectacular, returns.
Sefton can deliver reasonable rental income, though yields are not the primary draw.
The resale market in Sefton may not support quick-turnaround renovation projects.
Run the numbers on a Sefton property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Property values in Sefton should hold firm in 2026, with gradual appreciation tied to infrastructure and population trends. The rental market in Sefton should see steady occupancy, with moderate upward pressure on rents. Investor sentiment is cautiously optimistic — selective opportunities exist for well-researched buyers.
Sefton is a outer metro area in New South Wales with a population of 6,300. The median rent is $425/week and the median household income is $79,456/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 Sefton include affordability relative to inner suburbs and expanding infrastructure. 65% of dwellings are separate houses. The area has approximately 2 schools and 3 parks nearby.
According to the ABS 2021 Census, Sefton has a population of approximately 6,300. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Sefton is approximately 18 km straight-line distance from the Sydney CBD (calculated from ABS 2021 suburb centroid coordinates). This is within comfortable commuting range with good transport links.