ABS 2021 Census · Updated 31 March 2026
Castle Hill is a coastal suburb in Queensland, Australia, with a population of approximately 972, making it a boutique locality. Located approximately 1112 km from the Brisbane CBD, Castle Hill is a coastal area in Queensland. The median household income is $196,612 AUD per year (ABS 2021 Census).
Strong household incomes in Castle Hill underpin solid property demand. Coastal lifestyle appeal adds a premium that supports long-term demand.
Map shows Castle Hill, Queensland, Australia.
Official Australia Post postcode for Castle Hill. 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 Castle Hill 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 →Coastal lifestyle is a strong draw for Castle Hill, supporting both long-term rental demand and holiday letting potential. Seaside suburbs in Queensland consistently attract interstate migration and lifestyle buyers. The median rent of $570/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $2,817/month. A median household income of $196,612/year supports premium property values and indicates a well-employed resident base. 84% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
A buy-and-hold approach in Castle Hill could work well with careful property selection and a longer time horizon.
Rental returns in Castle Hill are attractive relative to purchase prices, supporting positive cash flow.
Renovation or flip strategies in Castle Hill face headwinds from a smaller buyer pool and slower turnover.
Run the numbers on a Castle Hill property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Castle Hill is expected to see moderate price growth in 2026 as the broader Queensland market stabilises. Rental demand is expected to be stable, though landlords may need to remain competitive on pricing. Investor sentiment is cautiously optimistic — selective opportunities exist for well-researched buyers.
Castle Hill is a coastal area in Queensland with a population of 972. The median rent is $570/week and the median household income is $196,612/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 Castle Hill include lifestyle appeal and proximity to the coast. 84% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Castle Hill has a population of approximately 972. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Castle Hill is approximately 1112 km straight-line distance from the Brisbane 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.