ABS 2021 Census · Updated 31 March 2026
Undercliffe is an outer-metropolitan suburb of Sydney, Australia, with a population of approximately 27, making it a boutique locality. Located approximately 591 km from the Sydney CBD, Undercliffe is a outer metro area in New South Wales. The median household income is $43,316 AUD per year (ABS 2021 Census).
Undercliffe's income profile suggests a value-oriented market with competitive purchase prices. Greater distance from the CBD may temper short-term capital growth.
Map shows Undercliffe, New South Wales, Australia.
Official Australia Post postcode for Undercliffe. 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 Undercliffe 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 →Undercliffe'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 $280/week (ABS 2021) indicates an affordable rental market.
Undercliffe offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Undercliffe can deliver reasonable rental income, though yields are not the primary draw.
Limited buyer depth in Undercliffe makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Undercliffe property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Undercliffe faces a cautious growth outlook for 2026 — investors should focus on yield rather than short-term gains. Tenants in Undercliffe have options — presenting well-maintained properties is key to minimising vacancy. Investor sentiment toward Undercliffe is currently lukewarm — value hunters may find opportunity here.
Undercliffe is a outer metro area in New South Wales with a population of 27. The median rent is $280/week and the median household income is $43,316/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 Undercliffe include affordability relative to inner suburbs and expanding infrastructure. 65% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Undercliffe has a population of approximately 27. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Undercliffe is approximately 591 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.