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ABS 2021 Census · Updated 21 May 2026
Hornsby Heights is a well-established middle-ring suburb of Sydney, Australia, with a population of approximately 6,354, making it a smaller community. Located approximately 26 km from the Sydney CBD, Hornsby Heights is a middle ring area in New South Wales. The median household income is $140,348 per year.
Above-average earnings in Hornsby Heights support sustained property values.
Official Australia Post postcode for Hornsby 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 2 schools within or near this suburb.
Find schools near Hornsby Heights on My School →Estimated 3 parks 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.
6,354 residents places Hornsby Heights squarely in the middle of the New South Wales suburb size distribution (state median 5,325), with market depth comparable to most NSW localities. Median household income of $140,348/year runs 44% 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 $620 equates to $2,687/month — about 96% of the median mortgage repayment of $2,800/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 26 km from Sydney, Hornsby Heights is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price. Separate houses make up 95% of dwellings — 19 percentage points above the New South Wales median of 76% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
This suburb suits long-term investors looking for a balance of rental yield and capital growth. Schools and transport underpin family demand. Local rents consume roughly 23% of household income — a useful sanity check on tenant affordability.
How Hornsby Heights stacks up against the median of all New South Wales suburbs in our dataset. Positive values mean Hornsby Heights sits above the state median; negative means below.
| Metric | Hornsby Heights | NSW median | Δ vs state |
|---|---|---|---|
| Population | 6,354 | 5,325 | +19% |
| Median household income | $140,348/yr | $97,552/yr | +44% |
| Median rent (weekly) | $620 | $430 | +44% |
| Median mortgage (monthly) | $2,800 | $2,167 | +29% |
| Distance to CBD | 26 km | 45 km | -42% |
| Separate houses | 95% | 76% | +19pp |
Pre-inspection briefing for Hornsby Heights — every item is derived from public datasets, with full citations in our data sources page.
Solid buy-and-hold profile: a population of 6,354 and household income close to the NSW median ($140,348 vs $97,552) give the market enough depth for patient capital growth without the premium entry price of inner suburbs.
Strong rental coverage: $620/week (~$2,687/month) covers 96% of the $2,800/month median mortgage repayment, so the shortfall sits at just $113/month. Investors targeting positive cash flow should shortlist this suburb.
A dwelling mix skewed to houses (95% vs 76% NSW median) combined with a population of 6,354 creates a deeper market for value-add renovations — older stock, separate titles and stronger buyer competition are the usual pattern here.
Run the numbers on a Hornsby Heights property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Property values in Hornsby Heights should track the wider New South Wales market through 2026, with the $140,348/year median household income (44% above the $97,552 state median) keeping the suburb firmly mid-pack. Rental coverage runs at ~96% of the typical mortgage ($2,687/month rent vs $2,800/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 81/100 places Hornsby Heights in the top tier of Australian suburbs we profile, and overall investor sentiment is constructive heading into the second half of 2026.
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Hornsby Heights scores 81/100 on our EquitySight investment framework — a strong rating. That score is driven by a population of 6,354, median household income of $140,348/year and median weekly rent of $620. 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 Hornsby Heights are an above-state-median household income of $140,348/year, a dwelling mix that is 95% separate houses, roughly 2 schools and 3 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.
Hornsby Heights has a usual resident population of approximately 6,354, compared with a New South Wales suburb median of 5,325 — placing it in the upper 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.
Hornsby Heights sits 26 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 $620 in Hornsby Heights, equating to approximately $32,240/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 Hornsby Heights is $2,800, or approximately $33,600/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 $620 works out to $2,687/month, covering 96% of the median mortgage repayment of $2,800/month. That leaves a $113/month shortfall (around $1,356/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 interest-rate sensitivity on the $2,800 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.