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ABS 2021 Census · Updated 21 May 2026
Baulkham Hills is a regional centre in New South Wales, Australia, with a population of approximately 37,415, making it a sizeable community. Located approximately 24 km from the Sydney CBD, Baulkham Hills is a regional area in New South Wales. The median household income is $128,648 per year.
Baulkham Hills benefits from a high-income resident base, supporting premium property pricing. Distance from major centres is a consideration, though regional markets can offer higher rental yields.
Official Australia Post postcode for Baulkham Hills. 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 9 schools within or near this suburb.
Find schools near Baulkham Hills on My School →Estimated 15 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.
With 37,415 residents, Baulkham Hills is one of New South Wales's more populous suburbs — roughly 7.0× the state median of 5,325 — giving it a deep buyer and tenant pool that typically supports higher transaction volumes and shorter average days on market. Median household income of $128,648/year runs 32% 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. Rent of $520/week (87% coverage of the $2,600/month median mortgage) leaves a gap of roughly $347/month that a typical investor bridges with negative gearing, depreciation and capital growth. 24 km from Sydney places Baulkham Hills in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
This suburb suits yield-focused investors who are comfortable with lower liquidity. Employment concentration and local population trends matter more here than in metro markets. Local rents consume roughly 21% of household income — a useful sanity check on tenant affordability.
How Baulkham Hills stacks up against the median of all New South Wales suburbs in our dataset. Positive values mean Baulkham Hills sits above the state median; negative means below.
| Metric | Baulkham Hills | NSW median | Δ vs state |
|---|---|---|---|
| Population | 37,415 | 5,325 | +603% |
| Median household income | $128,648/yr | $97,552/yr | +32% |
| Median rent (weekly) | $520 | $430 | +21% |
| Median mortgage (monthly) | $2,600 | $2,167 | +20% |
| Distance to CBD | 24 km | 45 km | -47% |
| Separate houses | 72% | 76% | -4pp |
Pre-inspection briefing for Baulkham Hills — every item is derived from public datasets, with full citations in our data sources page.
Strong buy-and-hold fundamentals: household incomes run 32% above the New South Wales suburb median ($128,648 vs $97,552), and the 24 km CBD distance keeps this suburb in the primary demand zone. In New South Wales, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Strong rental coverage: $520/week (~$2,253/month) covers 87% of the $2,600/month median mortgage repayment, so the shortfall sits at just $347/month. Investors targeting positive cash flow should shortlist this suburb.
With 72% houses in a 37,415-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 Baulkham Hills property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Baulkham Hills enters 2026 with a demographic tailwind — household incomes 32% above the New South Wales suburb median of $97,552 and a population of 37,415 give it the depth and purchasing power to outperform the wider NSW market over the next 12–18 months. Rental coverage runs at ~87% of the typical mortgage ($2,253/month rent vs $2,600/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 72/100 places Baulkham Hills 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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Baulkham Hills scores 72/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 37,415, median household income of $128,648/year and median weekly rent of $520. 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 Baulkham Hills are proximity to Sydney (24 km), an above-state-median household income of $128,648/year, a dwelling mix that is 72% separate houses, roughly 9 schools and 15 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.
Baulkham Hills has a usual resident population of approximately 37,415, 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.
Baulkham Hills sits 24 km straight-line from the Sydney 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 $520 in Baulkham Hills, equating to approximately $27,040/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 Baulkham Hills is $2,600, or approximately $31,200/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 $520 works out to $2,253/month, covering 87% of the median mortgage repayment of $2,600/month. That leaves a $347/month shortfall (around $4,164/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 $2,600 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.