ABS 2021 Census · Updated 31 March 2026
Diamond Valley is a coastal suburb in Queensland, Australia, with a population of approximately 489, making it a boutique locality. Located approximately 80 km from the Brisbane CBD, Diamond Valley is a coastal area in Queensland. The median household income is $91,520 AUD per year (ABS 2021 Census).
Diamond Valley benefits from a high-income resident base, supporting premium property pricing. Coastal lifestyle appeal adds a premium that supports long-term demand.
Map shows Diamond Valley, Queensland, Australia.
Official Australia Post postcode for Diamond Valley. 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 Diamond Valley 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 Diamond Valley, 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 $396/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,950/month. The median household income of $91,520/year reflects a solid demographic, supporting sustainable rental demand. 87% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
Holding property in Diamond Valley over the medium term may deliver steady, if unspectacular, returns.
Rental yields in Diamond Valley are moderate — screen for properties that offer above-average returns.
Renovation or flip strategies in Diamond Valley face headwinds from a smaller buyer pool and slower turnover.
Run the numbers on a Diamond Valley property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Growth in Diamond Valley through 2026 will likely be steady rather than spectacular, tracking the wider market. Rental demand is expected to be stable, though landlords may need to remain competitive on pricing. Sentiment is subdued, though improving local conditions could shift perceptions over time.
Diamond Valley is a coastal area in Queensland with a population of 489. The median rent is $396/week and the median household income is $91,520/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 Diamond Valley include lifestyle appeal and proximity to the coast. 87% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Diamond Valley has a population of approximately 489. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Diamond Valley is approximately 80 km straight-line distance from the Brisbane CBD (calculated from ABS 2021 suburb centroid coordinates). Road travel times will vary; check current mapping services for up-to-date routes.