ABS 2021 Census · Updated 31 March 2026
Birrong is a well-established middle-ring suburb of Sydney, Australia, with a population of approximately 3,331, making it a boutique locality. Located approximately 18 km from the Sydney CBD, Birrong is a middle ring area in New South Wales. The median household income is $81,900 AUD per year (ABS 2021 Census).
Moderate income levels in Birrong indicate steady rental demand from working households.
Map shows Birrong, New South Wales, Australia.
Official Australia Post postcode for Birrong. 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 Birrong 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 →Birrong'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 $440/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $2,033/month. The median household income of $81,900/year reflects a solid demographic, supporting sustainable rental demand. 80% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
Birrong's established location and strong demographics make it well-suited to a long-term buy-and-hold strategy.
Expect competitive but not exceptional rental returns in Birrong's current market.
Limited buyer depth in Birrong makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Birrong property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Growth in Birrong through 2026 will likely be steady rather than spectacular, tracking the wider market. Tenants in Birrong have options — presenting well-maintained properties is key to minimising vacancy. The market mood around Birrong is balanced — neither bullish nor bearish heading into 2026.
Birrong is a middle ring area in New South Wales with a population of 3,331. The median rent is $440/week and the median household income is $81,900/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 Birrong include established amenities and transport access. 80% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Birrong has a population of approximately 3,331. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Birrong 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.