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ABS 2021 Census · Updated 21 May 2026
Cudlee Creek is a regional centre in South Australia, Australia, with a population of approximately 425, making it a boutique locality. Located approximately 23 km from the Adelaide CBD, Cudlee Creek is a regional area in South Australia. The median household income is $97,500 per year.
Above-average earnings in Cudlee Creek support sustained property values. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Cudlee Creek. 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 Cudlee Creek 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.
Cudlee Creek is a smaller community of 425 — about 11% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $97,500/year runs 20% above the South Australia suburb median of $80,964, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Weekly rent of $120 covers just 28% of the median $1,888/month mortgage repayment, leaving a $1,368/month gap — investors should only pursue this suburb with a clear capital-growth thesis and sufficient external income to fund the shortfall. 23 km from Adelaide places Cudlee Creek in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs. Separate houses make up 91% of dwellings — 18 percentage points above the South Australia median of 73% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
How Cudlee Creek stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Cudlee Creek sits above the state median; negative means below.
| Metric | Cudlee Creek | SA median | Δ vs state |
|---|---|---|---|
| Population | 425 | 3,699 | -89% |
| Median household income | $97,500/yr | $80,964/yr | +20% |
| Median rent (weekly) | $120 | $320 | -62% |
| Median mortgage (monthly) | $1,888 | $1,616 | +17% |
| Distance to CBD | 23 km | 13 km | +77% |
| Separate houses | 91% | 73% | +18pp |
Pre-inspection briefing for Cudlee Creek — every item is derived from public datasets, with full citations in our data sources page.
Strong buy-and-hold fundamentals: household incomes run 20% above the South Australia suburb median ($97,500 vs $80,964), and the 23 km CBD distance keeps this suburb in the primary demand zone. In South Australia, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Weak cash flow: $120/week rent covers only 28% of the $1,888/month median mortgage — a $1,368/month gap that must be funded from other income. This suburb is a capital-growth play, not a yield play.
With 91% houses in a 425-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 Cudlee Creek property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Cudlee Creek enters 2026 with a demographic tailwind — household incomes 20% above the South Australia suburb median of $80,964 and a population of 425 give it the depth and purchasing power to outperform the wider SA market over the next 12–18 months. Rental coverage runs at ~28% of the typical mortgage ($520/month rent vs $1,888/month repayment), meaning investors will rely on capital growth rather than yield. The EquitySight investment score of 49/100 places Cudlee Creek 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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Cudlee Creek scores 49/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 425, median household income of $97,500/year and median weekly rent of $120. 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 Cudlee Creek are proximity to Adelaide (23 km), an above-state-median household income of $97,500/year, a dwelling mix that is 91% 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.
Cudlee Creek has a usual resident population of approximately 425, 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.
Cudlee Creek sits 23 km straight-line from the Adelaide CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
The most recent census recorded a median weekly rent of $120 in Cudlee Creek, equating to approximately $6,240/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 Cudlee Creek is $1,888, or approximately $22,656/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 $120 works out to $520/month, covering 28% of the median mortgage repayment of $1,888/month. That leaves a $1,368/month shortfall (around $16,416/year before tax benefits), so a typical owner-occupier-priced property here is negatively geared. 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 (425 residents), interest-rate sensitivity on the $1,888 median mortgage, 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.