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ABS 2021 Census · Updated 21 May 2026
Casuarina is a coastal suburb in New South Wales, Australia, with a population of approximately 3,256, making it a boutique locality. Located approximately 659 km from the Sydney CBD, Casuarina is a coastal area in New South Wales. The median household income is $121,004 per year.
Above-average earnings in Casuarina support sustained property values. Seaside positioning attracts both owner-occupiers and holiday rental demand.
Official Australia Post postcode for Casuarina. 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 Casuarina 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.
Casuarina is a smaller community of 3,256 — about 61% of the New South Wales suburb median (5,325) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $121,004/year runs 24% above the New South Wales suburb median of $97,552, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Median weekly rent of $635 equates to $2,752/month — about 110% of the median mortgage repayment of $2,500/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. Casuarina is 659 km from Sydney, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 58% of dwellings are separate houses (vs 76% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
This suburb can suit investors targeting renter demand driven by lifestyle. Insurance, climate risk, and seasonal rental patterns all warrant a close look. Local rents consume roughly 27% of household income — a useful sanity check on tenant affordability.
How Casuarina stacks up against the median of all New South Wales suburbs in our dataset. Positive values mean Casuarina sits above the state median; negative means below.
| Metric | Casuarina | NSW median | Δ vs state |
|---|---|---|---|
| Population | 3,256 | 5,325 | -39% |
| Median household income | $121,004/yr | $97,552/yr | +24% |
| Median rent (weekly) | $635 | $430 | +48% |
| Median mortgage (monthly) | $2,500 | $2,167 | +15% |
| Distance to CBD | 659 km | 45 km | +1364% |
| Separate houses | 58% | 76% | -18pp |
Pre-inspection briefing for Casuarina — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Casuarina's 3,256-person market and $121,004 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: $635/week (~$2,752/month) covers 110% of the $2,500/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
Only 58% of dwellings are separate houses (vs 76% NSW median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Casuarina property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Casuarina are modest for 2026 — incomes 24% above the NSW median of $97,552 and a population of 3,256 suggest gains will lag headline metro markets. Rental coverage runs at ~110% of the typical mortgage ($2,752/month rent vs $2,500/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 72/100 places Casuarina in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is constructive heading into the second half of 2026.
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Casuarina scores 72/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 3,256, median household income of $121,004/year and median weekly rent of $635. 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 Casuarina are an above-state-median household income of $121,004/year, a dwelling mix that is 58% 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.
Casuarina has a usual resident population of approximately 3,256, compared with a New South Wales suburb median of 5,325 — 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.
Casuarina sits 659 km straight-line from the Sydney CBD. This is a regional market where CBD distance is only indicative — local industry diversity and commute alternatives matter more.
The most recent census recorded a median weekly rent of $635 in Casuarina, equating to approximately $33,020/year in gross rental income (state median $430/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 Casuarina is $2,500, or approximately $30,000/year (vs $2,167/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 $635 works out to $2,752/month, covering 110% of the median mortgage repayment of $2,500/month. That means rent exceeds the median repayment by roughly $252/month, so on these numbers Casuarina 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 (3,256 residents), interest-rate sensitivity on the $2,500 median mortgage, the broader New South Wales 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.