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ABS 2021 Census · Updated 21 May 2026
Killcare Heights is a coastal suburb in New South Wales, Australia, with a population of approximately 812, making it a boutique locality. Located approximately 41 km from the Sydney CBD, Killcare Heights is a coastal area in New South Wales. The median household income is $110,916 per year.
Above-average earnings in Killcare Heights support sustained property values. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Killcare Heights. 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 Killcare Heights 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.
Killcare Heights is a smaller community of 812 — about 15% of the New South Wales suburb median (5,325) — so investors should factor in the narrower buyer pool and longer average time-on-market. Households here earn $110,916/year on average — 14% above the NSW suburb median of $97,552 — a modest premium that supports resilient owner-occupier demand. Median weekly rent of $550 equates to $2,383/month — about 101% of the median mortgage repayment of $2,367/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 41 km from Sydney, Killcare Heights is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
How Killcare Heights stacks up against the median of all New South Wales suburbs in our dataset. Positive values mean Killcare Heights sits above the state median; negative means below.
| Metric | Killcare Heights | NSW median | Δ vs state |
|---|---|---|---|
| Population | 812 | 5,325 | -85% |
| Median household income | $110,916/yr | $97,552/yr | +14% |
| Median rent (weekly) | $550 | $430 | +28% |
| Median mortgage (monthly) | $2,367 | $2,167 | +9% |
| Distance to CBD | 41 km | 45 km | -9% |
| Separate houses | 72% | 76% | -4pp |
Pre-inspection briefing for Killcare Heights — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 812 means liquidity is thin and capital growth tends to lag the wider New South Wales market over full cycles.
Strong rental coverage: $550/week (~$2,383/month) covers 101% of the $2,367/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 72% houses in a 812-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 Killcare Heights property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Killcare Heights are modest for 2026 — incomes 14% above the NSW median of $97,552 and a population of 812 suggest gains will lag headline metro markets. Rental coverage runs at ~101% of the typical mortgage ($2,383/month rent vs $2,367/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 62/100 places Killcare Heights in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Killcare Heights scores 62/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 812, median household income of $110,916/year and median weekly rent of $550. 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 Killcare Heights are an above-state-median household income of $110,916/year, a dwelling mix that is 72% 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.
Killcare Heights has a usual resident population of approximately 812, 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.
Killcare Heights sits 41 km straight-line from the Sydney 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 $550 in Killcare Heights, equating to approximately $28,600/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 Killcare Heights is $2,367, or approximately $28,404/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 $550 works out to $2,383/month, covering 101% of the median mortgage repayment of $2,367/month. That means rent exceeds the median repayment by roughly $16/month, so on these numbers Killcare Heights 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 (812 residents), interest-rate sensitivity on the $2,367 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.