ABS 2021 Census · Updated 31 March 2026
Allynbrook is a regional centre in New South Wales, Australia, with a population of approximately 54, making it a boutique locality. Located approximately 172 km from the Sydney CBD, Allynbrook is a regional area in New South Wales. The median household income is $56,316 AUD per year (ABS 2021 Census).
Lower income levels in Allynbrook typically translate to more affordable entry points for investors. Regional positioning means lower entry costs but potentially longer hold periods for capital gains.
Map shows Allynbrook, New South Wales, Australia.
Official Australia Post postcode for Allynbrook. 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 Allynbrook 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, Allynbrook 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 $587/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $1,200/month.
Buy-and-hold in Allynbrook carries higher risk due to limited demand drivers and slower growth fundamentals.
Rental returns in Allynbrook are attractive relative to purchase prices, supporting positive cash flow.
Renovation or flip strategies in Allynbrook face headwinds from a smaller buyer pool and slower turnover.
Run the numbers on a Allynbrook property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital growth in Allynbrook may remain subdued in 2026, with limited demand drivers in the near term. Landlords in Allynbrook may face longer tenant search times; competitive pricing will be important. Investor sentiment toward Allynbrook is currently lukewarm — value hunters may find opportunity here.
Allynbrook is a regional area in New South Wales with a population of 54. The median rent is $587/week and the median household income is $56,316/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 Allynbrook include regional employment hubs, lifestyle, and affordability. 69% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Allynbrook has a population of approximately 54. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Allynbrook is approximately 172 km straight-line distance from the Sydney CBD (calculated from ABS 2021 suburb centroid coordinates). As a regional or remote location, travel to the capital is significant — local amenities and employment are important investment considerations.