ABS 2021 Census · Updated 31 March 2026
Lake Illawarra is a coastal suburb in New South Wales, Australia, with a population of approximately 3,288, making it a boutique locality. Located approximately 81 km from the Sydney CBD, Lake Illawarra is a coastal area in New South Wales. The median household income is $55,588 AUD per year (ABS 2021 Census).
Lake Illawarra's income profile suggests a value-oriented market with competitive purchase prices. Coastal lifestyle appeal adds a premium that supports long-term demand.
Map shows Lake Illawarra, New South Wales, Australia.
Official Australia Post postcode for Lake Illawarra. 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 Lake Illawarra 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 Lake Illawarra, 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 $328/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,733/month.
Lake Illawarra offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Lake Illawarra can deliver reasonable rental income, though yields are not the primary draw.
Renovation or flip strategies in Lake Illawarra face headwinds from a smaller buyer pool and slower turnover.
Run the numbers on a Lake Illawarra property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Lake Illawarra faces a cautious growth outlook for 2026 — investors should focus on yield rather than short-term gains. Rental demand is expected to be stable, though landlords may need to remain competitive on pricing. Lake Illawarra is not a headline market, but contrarian investors may see long-term potential.
Lake Illawarra is a coastal area in New South Wales with a population of 3,288. The median rent is $328/week and the median household income is $55,588/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 Lake Illawarra include lifestyle appeal and proximity to the coast. 46% of dwellings are separate houses. The area has approximately 1 schools and 1 parks nearby.
According to the ABS 2021 Census, Lake Illawarra has a population of approximately 3,288. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Lake Illawarra is approximately 81 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.