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ABS 2021 Census · Updated 21 May 2026
Dundas Valley is a well-established middle-ring suburb of Sydney, Australia, with a population of approximately 5,875, making it a smaller community. Located approximately 17 km from the Sydney CBD, Dundas Valley is a middle ring area in New South Wales. The median household income is $95,420 per year.
Strong household incomes in Dundas Valley underpin solid property demand.
Official Australia Post postcode for Dundas Valley. 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 Dundas Valley on My School →Estimated 2 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.
5,875 residents places Dundas Valley squarely in the middle of the New South Wales suburb size distribution (state median 5,325), with market depth comparable to most NSW localities. At $95,420/year, household income in Dundas Valley is within 2% of the New South Wales median ($97,552), placing the suburb firmly in the state's mainstream demographic band. Median rent of $428/week (~$1,855/month) covers only 69% of the median mortgage of $2,672/month — the remaining $817/month must be funded from other income, so this suburb tilts toward capital growth rather than yield. 17 km from Sydney places Dundas Valley in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs. Only 61% 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.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 23% of household income — a useful sanity check on tenant affordability.
How Dundas Valley stacks up against the median of all New South Wales suburbs in our dataset. Positive values mean Dundas Valley sits above the state median; negative means below.
| Metric | Dundas Valley | NSW median | Δ vs state |
|---|---|---|---|
| Population | 5,875 | 5,325 | +10% |
| Median household income | $95,420/yr | $97,552/yr | -2% |
| Median rent (weekly) | $428 | $430 | 0% |
| Median mortgage (monthly) | $2,672 | $2,167 | +23% |
| Distance to CBD | 17 km | 45 km | -62% |
| Separate houses | 61% | 76% | -15pp |
Pre-inspection briefing for Dundas Valley — every item is derived from public datasets, with full citations in our data sources page.
Solid buy-and-hold profile: a population of 5,875 and household income close to the NSW median ($95,420 vs $97,552) give the market enough depth for patient capital growth without the premium entry price of inner suburbs.
Moderate rental coverage: rent of $428/week covers 69% of a $2,672/month mortgage, leaving a $817/month gap that an investor bridges with equity, depreciation and tax benefits.
Only 61% 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 Dundas Valley property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Property values in Dundas Valley should track the wider New South Wales market through 2026, with the $95,420/year median household income (close to the $97,552 state median) keeping the suburb firmly mid-pack. Rental coverage runs at ~69% of the typical mortgage ($1,855/month rent vs $2,672/month repayment), leaving a manageable top-up for most investors. The EquitySight investment score of 70/100 places Dundas Valley 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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Dundas Valley scores 70/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 5,875, median household income of $95,420/year and median weekly rent of $428. 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 Dundas Valley are proximity to Sydney (17 km), a median household income of $95,420/year, a dwelling mix that is 61% separate houses, roughly 1 schools and 2 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.
Dundas Valley has a usual resident population of approximately 5,875, 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.
Dundas Valley sits 17 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 $428 in Dundas Valley, equating to approximately $22,256/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 Dundas Valley is $2,672, or approximately $32,064/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 $428 works out to $1,855/month, covering 69% of the median mortgage repayment of $2,672/month. That leaves a $817/month shortfall (around $9,804/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 $2,672 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.