ABS 2021 Census · Updated 31 March 2026
Seaford is a coastal suburb in South Australia, Australia, with a population of approximately 4,493, making it a boutique locality. Located approximately 31 km from the Adelaide CBD, Seaford is a coastal area in South Australia. The median household income is $65,208 AUD per year (ABS 2021 Census).
Seaford's income profile suggests a value-oriented market with competitive purchase prices. The coastal setting provides a lifestyle factor that underpins property values.
Map shows Seaford, South Australia, Australia.
Official Australia Post postcode for Seaford. 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 Seaford 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 →Coastal lifestyle is a strong draw for Seaford, supporting both long-term rental demand and holiday letting potential. Seaside suburbs in South Australia consistently attract interstate migration and lifestyle buyers. The median rent of $330/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,400/month. 80% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
Seaford offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Seaford can deliver reasonable rental income, though yields are not the primary draw.
Limited buyer depth in Seaford makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a Seaford property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Seaford faces a cautious growth outlook for 2026 — investors should focus on yield rather than short-term gains. Tenants in Seaford have options — presenting well-maintained properties is key to minimising vacancy. The market mood around Seaford is balanced — neither bullish nor bearish heading into 2026.
Seaford is a coastal area in South Australia with a population of 4,493. The median rent is $330/week and the median household income is $65,208/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 Seaford include lifestyle appeal and proximity to the coast. 80% of dwellings are separate houses. The area has approximately 1 schools and 2 parks nearby.
According to the ABS 2021 Census, Seaford has a population of approximately 4,493. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Seaford is approximately 31 km straight-line distance from the Adelaide CBD (calculated from ABS 2021 suburb centroid coordinates). Road travel times will vary; check current mapping services for up-to-date routes.