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ABS 2021 Census · Updated 21 May 2026
Willaston is an outer-metropolitan suburb of Adelaide, Australia, with a population of approximately 3,458, making it a boutique locality. Located approximately 40 km from the Adelaide CBD, Willaston is a outer metro area in South Australia. The median household income is $65,208 per year.
Willaston's income profile suggests a value-oriented market with competitive purchase prices. The outer location offers affordability but may see slower price appreciation.
Official Australia Post postcode for Willaston. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at the most recent census.
Weekly median rent for occupied homes. Live rental data integration coming soon.
Annual median household income (before tax) across all households.
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb.
Find schools near Willaston on My School →Estimated 1 park and green spaces near this suburb.
Monthly median mortgage repayment for households currently paying off a mortgage.
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
3,458 residents places Willaston squarely in the middle of the South Australia suburb size distribution (state median 3,699), with market depth comparable to most SA localities. Household income of $65,208/year is 19% below the South Australia median of $80,964, typically translating into lower entry prices and a tenant base more sensitive to rent increases. Median weekly rent of $300 equates to $1,300/month — about 107% of the median mortgage repayment of $1,213/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 40 km from Adelaide, Willaston is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
This suburb suits long-term investors due to steady population growth and affordable entry prices. Look for established streets close to schools and shops rather than raw new-estate land. Local rents consume roughly 24% of household income — a useful sanity check on tenant affordability.
How Willaston stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Willaston sits above the state median; negative means below.
| Metric | Willaston | SA median | Δ vs state |
|---|---|---|---|
| Population | 3,458 | 3,699 | -7% |
| Median household income | $65,208/yr | $80,964/yr | -19% |
| Median rent (weekly) | $300 | $320 | -6% |
| Median mortgage (monthly) | $1,213 | $1,616 | -25% |
| Distance to CBD | 40 km | 13 km | +208% |
| Separate houses | 81% | 73% | +8pp |
Pre-inspection briefing for Willaston — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Willaston's 3,458-person market and $65,208 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Strong rental coverage: $300/week (~$1,300/month) covers 107% of the $1,213/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 81% houses in a 3,458-person market, renovation margins depend on individual street and aspect rather than any suburb-wide story — do comparable-sales analysis before committing capital.
Run the numbers on a Willaston property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Willaston are modest for 2026 — incomes 19% below the SA median of $80,964 and a population of 3,458 suggest gains will lag headline metro markets. Rental coverage runs at ~107% of the typical mortgage ($1,300/month rent vs $1,213/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 49/100 places Willaston in the mid tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Willaston scores 49/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 3,458, median household income of $65,208/year and median weekly rent of $300. Whether it fits your portfolio depends on whether you are targeting cash flow, capital growth, or a value-add renovation — all three are scored with suburb-specific numbers elsewhere on this page.
The main demand drivers in Willaston are a median household income of $65,208/year, a dwelling mix that is 81% separate houses, roughly 1 schools and 1 parks within the catchment. Together these shape both owner-occupier and tenant demand and are the factors we weight most heavily in the suburb's investment score.
Willaston has a usual resident population of approximately 3,458, compared with a South Australia suburb median of 3,699 — placing it in the lower half of the state's suburbs by size. Population is the clearest proxy for market depth: more residents mean more transactions and typically a shorter average days-on-market on resale.
Willaston sits 40 km straight-line from the Adelaide CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
The most recent census recorded a median weekly rent of $300 in Willaston, equating to approximately $15,600/year in gross rental income (state median $320/week). Market rents have typically drifted above the recorded figure — verify against current listings on realestate.com.au and Domain before making an offer.
The median monthly mortgage repayment in Willaston is $1,213, or approximately $14,556/year (vs $1,616/month state median). Stress-test your own borrowing at rates 1–2 percentage points above today's to make sure you can still service the loan through an RBA tightening cycle.
A median weekly rent of $300 works out to $1,300/month, covering 107% of the median mortgage repayment of $1,213/month. That means rent exceeds the median repayment by roughly $87/month, so on these numbers Willaston leans cash-flow-positive before accounting for strata, council rates, insurance and maintenance. Actual cash flow depends on your deposit, loan terms, ownership costs and marginal tax rate — run the full numbers in our rental yield calculator.
The main risks are a thin buyer pool (3,458 residents), interest-rate sensitivity on the $1,213 median mortgage, below-median household incomes ($65,208 vs $80,964 state median), the broader South Australia market cycle. Each of these is covered in the Risk Factors section above with suburb-specific numbers rather than generic warnings.
Every number on this page comes from the ABS 2021 Census of Population and Housing, Australia Post postcode reference data, and OpenStreetMap amenity tiles. The investment score, strategy verdicts, and comparison table are computed deterministically from those inputs — no opinion, no estimation. See our full methodology and the data sources and licences for the formulas we use.