ABS 2021 Census · Updated 31 March 2026
Mount Saint Thomas is a coastal suburb in New South Wales, Australia, with a population of approximately 1,449, making it a boutique locality. Located approximately 71 km from the Sydney CBD, Mount Saint Thomas is a coastal area in New South Wales. The median household income is $95,420 AUD per year (ABS 2021 Census).
Above-average earnings in Mount Saint Thomas support sustained property values. The coastal setting provides a lifestyle factor that underpins property values.
Map shows Mount Saint Thomas, New South Wales, Australia.
Official Australia Post postcode for Mount Saint Thomas. 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 Mount Saint Thomas 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 Mount Saint Thomas, supporting both long-term rental demand and holiday letting potential. Seaside suburbs in New South Wales consistently attract interstate migration and lifestyle buyers. The median rent of $300/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $2,167/month. The median household income of $95,420/year reflects a solid demographic, supporting sustainable rental demand. 89% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
Mount Saint Thomas offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Mount Saint Thomas can deliver reasonable rental income, though yields are not the primary draw.
Limited buyer depth in Mount Saint Thomas makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Mount Saint Thomas property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Property values in Mount Saint Thomas should hold firm in 2026, with gradual appreciation tied to infrastructure and population trends. Tenants in Mount Saint Thomas have options — presenting well-maintained properties is key to minimising vacancy. Mount Saint Thomas offers measured appeal for investors willing to look beyond headline metrics.
Mount Saint Thomas is a coastal area in New South Wales with a population of 1,449. The median rent is $300/week and the median household income is $95,420/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 Mount Saint Thomas include lifestyle appeal and proximity to the coast. 89% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Mount Saint Thomas has a population of approximately 1,449. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Mount Saint Thomas is approximately 71 km straight-line distance from the Sydney CBD (calculated from ABS 2021 suburb centroid coordinates). Road travel times will vary; check current mapping services for up-to-date routes.