ABS 2021 Census · Updated 31 March 2026
Treeby is an outer-metropolitan suburb of Perth, Australia, with a population of approximately 4,214, making it a boutique locality. Located approximately 19 km from the Perth CBD, Treeby is a outer metro area in Western Australia. The median household income is $128,908 AUD per year (ABS 2021 Census).
Treeby benefits from a high-income resident base, supporting premium property pricing.
Map shows Treeby, Western Australia, Australia.
Official Australia Post postcode for Treeby. 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 Treeby on My School →Estimated 2 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 →Treeby'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 $450/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $2,000/month. A median household income of $128,908/year supports premium property values and indicates a well-employed resident base.
Holding property in Treeby over the medium term may deliver steady, if unspectacular, returns.
Treeby's rental market favours investors seeking yield — occupancy rates are typically strong in this area.
Limited buyer depth in Treeby makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Treeby property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Property values in Treeby should hold firm in 2026, with gradual appreciation tied to infrastructure and population trends. Tenants in Treeby have options — presenting well-maintained properties is key to minimising vacancy. Treeby remains on the radar of active property investors in Western Australia.
Treeby is a outer metro area in Western Australia with a population of 4,214. The median rent is $450/week and the median household income is $128,908/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 Treeby include affordability relative to inner suburbs and expanding infrastructure. 74% of dwellings are separate houses. The area has approximately 1 schools and 2 parks nearby.
According to the ABS 2021 Census, Treeby has a population of approximately 4,214. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Treeby is approximately 19 km straight-line distance from the Perth CBD (calculated from ABS 2021 suburb centroid coordinates). This is within comfortable commuting range with good transport links.