Woronora Heights
Household income at the 98.3rd percentile nationally makes Woronora Heights one of Sydney's most affluent pockets, yet it houses only 2,781 residents across 2.6 square kilometres. The ownership profile is striking: 41.4% of dwellings are owned outright, well above the national norm, while renters account for just 4.2%, the lowest tier you will find in any suburb. The housing stock is almost entirely separate houses at 97.2%, and 84% of those have four or more bedrooms. The median age of 43 sits 3 years above the national figure, consistent with a long-settled, wealth-holding community that has had minimal turnover, with 86.4% of residents staying in place over the reference period.
Population
2,781
Median Age
43.0
Household IncomeiMedian weekly household income (ABS Census)
$3,250/wk
DAs (12 months)iDevelopment Applications lodged in the past year
6
Median House
$1.7M
2024-2025 (PSI derived)
The median house price reached $1,675,000 in 2025, up from $1,670,000 in 2024, a modest 0.3% gain that reflects a stable rather than speculative market. With 97.2% of dwellings being separate houses and 84% having four or more bedrooms, buyers are almost exclusively competing for large family homes on generous lots. Monthly mortgage repayments average $2,600, and the mortgage-to-income ratio sits at 18.5%, comfortably below the 30% stress threshold despite the elevated price point, because household incomes run at $3,250 per week. Outright owners at 41.4% outnumber those with a mortgage at 54.4%, signalling an established, low-churn market rather than a growth corridor of recent entrants.
For Buyers
The median house price reached $1,675,000 in 2025, up from $1,670,000 in 2024, a modest 0.3% gain that reflects a stable rather than speculative market. With 97.2% of dwellings being separate houses and 84% having four or more bedrooms, buyers are almost exclusively competing for large family homes on generous lots. Monthly mortgage repayments average $2,600, and the mortgage-to-income ratio sits at 18.5%, comfortably below the 30% stress threshold despite the elevated price point, because household incomes run at $3,250 per week. Outright owners at 41.4% outnumber those with a mortgage at 54.4%, signalling an established, low-churn market rather than a growth corridor of recent entrants.
For Investors
The investment case here is thin on yield. Weekly rent of $750 against a $1,675,000 median implies a gross yield around 2.3%, well below typical Sydney benchmarks, and the renter share is just 4.2%, so demand for rental properties is structurally low. The vacancy rate of 2.1% gives landlords little cushion. Net overseas migration adds 31 residents per year, but net internal migration removes 34, leaving a slight population drift downward with a forecast decline of 0.67% per year. Development activity is minimal with only 6 applications in the past 12 months, compared to active growth suburbs. Returns here rest almost entirely on long-term capital preservation rather than yield or rental volume.
Development Activity
Total DAs
37
Last 12 Months
6
YoY ChangeiYear-over-year change in DA lodgements
0.0%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
The median age of 43 is 3 years above the national average, and the age trajectory is aging, with the senior share rising 8.7 points and the working-age share falling 2.6 points over the decade. The population is notably Anglo-Celtic: English (1,146 residents), Irish (388), and Scottish (301) lead ancestry counts. Overseas-born residents reach 14.1%, which is 7.5 points below the national figure, making this a predominantly Australian-born community. University qualifications sit at 33.2%, which is 3.1 points above national. The average household size of 3.2 is 0.7 above the national average, consistent with the dominance of family-sized dwellings, and 41.8% of families are couples with children.
Age Distribution
Bedrooms
Dwelling Structure
97.2%
Houses
2.4%
Townhouse
0.3%
Apartment
Tenure
Tenure structure tells a clear story: 41.4% own outright, 54.4% carry a mortgage, and just 4.2% rent, a split that is highly unusual compared to metropolitan averages where renters typically exceed 30%. The stock is 97.2% separate houses, with semi-detached at 2.4% and apartments at just 0.3%, making this one of the most detached-house-dominant suburbs in greater Sydney. Bedroom sizes skew very large, with 84% of dwellings having four or more bedrooms, compared to the national profile where four-plus bedroom homes represent roughly a third of stock. House prices have been stable, moving from $1,670,000 in 2024 to $1,675,000 in 2025. The vacancy rate of 2.1% reflects balanced conditions for a low-turnover ownership market.
Median House Price Trend
Source: State Valuer-General
Mortgage / mo
$2,600
Rent / wk
$750
HH Size
3.2
Personal Income / wk
$1,016
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
2.1%
Unoccupied
18
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
23.1%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
18.5%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
20.4%
Couples, no children
2,636
Total families
Economy & Employment
The local workforce skews toward white-collar and service roles. Healthcare leads industry employment at 14.7% (165 workers), followed by Education at 13.9% (155) and Public Administration at 11.4% (128). Professional and Technical services account for 10.7% and Construction for 9.7%. By occupation, Professionals (365) and Managers (259) dominate, which aligns with the SEIFA results: the suburb scores decile 10 on IRSD and IRSAD, the highest advantage tier nationally, and decile 8 on IEO. The unemployment rate is 2.7%, below the national average, and the full-time employment rate of 63.2% is supported by a 65.4% participation rate. Personal weekly income averages $1,016, above median national levels.
Unemployment
1.7%
Labour Force
2,321
Unemployed
39
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
63.2%
Part-time
34.1%
Participation
65.4%
Employed
1,450
Occupations
Top Industries
University
33.2%
Postgraduate
7.7%
Born Overseas
14.1%
Dwellings
862
Transport to Work
Car dependency is high, with 89.6% of residents commuting by car, compared to the national average where public transport use is substantially higher. Public transport accounts for only 3.0% of commutes, reflecting the suburb's position on the urban fringe with limited train access. The suburb scores decile 10 on IRSAD, the highest national advantage tier, and decile 10 on IRSD for relative disadvantage, meaning very few residents experience deprivation. Volunteering runs at 14.7% and only 2.6% of residents (71 people) require daily assistance. Mortgage stress is absent, with the mortgage-to-income ratio at 18.5% and rent-to-income at 23.1%, both below stress thresholds. No schools are recorded inside the suburb boundary, so families rely on institutions in neighbouring areas.
Drive
89.6%
Public Transport
3.0%
Walk / Cycle
1.7%
Work from Home
N/A
Population Forecast
-0.67%/yr
(-24 people/yr)
EstablishedPopulation has been contracting modestly, declining 8.5% over the past decade and tracking at minus 0.67% per year, or roughly 24 fewer residents annually. The medium forecast puts the population at 3,389 by 2031, down from 3,586 in 2025. The main demographic driver is the aging trajectory, with net internal migration removing 34 residents a year while overseas migration adds 31, leaving slight negative net flow. The gentrification score is 0 and the stage reads not gentrifying, consistent with a suburb already at top-decile advantage with no socioeconomic ladder left to climb. Rent growth of 47.6% over the period reflects national pressures rather than local demand expansion. The turnover rate of only 13.6% confirms residents stay long-term.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Overseas Migration
Net Overseas / yr
+31
Net Internal / yr
-34
Gentrification Signal
Not gentrifying
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Woronora Heights compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Woronora Heights a good suburb to live in?
Woronora Heights scores decile 10 on IRSAD and IRSD, the highest national advantage tier, with household income in the 98.3rd percentile. The ownership rate is high at 41.4% outright owners, and the mortgage-to-income ratio of 18.5% is well below the stress threshold. The main trade-offs are car dependency at 89.6% of commuters and no recorded schools inside the suburb boundary.
What is the median house price in Woronora Heights?
The median house price is $1,675,000 in 2025, up marginally from $1,670,000 in 2024, a 0.3% gain. Monthly mortgage repayments average $2,600, and weekly rent is $750. The stock is almost entirely four-plus bedroom separate houses, accounting for 84% of dwellings.
What schools are in Woronora Heights?
No schools are recorded inside the Woronora Heights boundary in this dataset, so families rely on institutions in neighbouring suburbs. Despite this, the local population is well-educated, with university qualifications at 33.2%, which is 3.1 points above the national figure.
Is Woronora Heights safe?
Detailed crime statistics are not available for Woronora Heights in this dataset. As an indirect indicator, the suburb scores decile 10 on the IRSD index of relative disadvantage, the highest national tier, and only 2.6% of residents (71 people) require daily assistance, both consistent with a low-disadvantage, low-crime profile.
Is Woronora Heights good for property investment?
The yield outlook is limited. Weekly rent of $750 against a $1,675,000 median implies a gross yield around 2.3%, and renters make up just 4.2% of households, creating thin rental demand. Population is forecast to decline 0.67% per year to around 3,389 by 2031. Investment returns depend on long-term capital preservation rather than yield or rental volume growth.
How is Woronora Heights's population changing?
Population declined 8.5% over the past decade and is tracking at minus 0.67% per year, or roughly 24 fewer residents annually. The medium forecast reaches 3,389 by 2031, down from 3,586 in 2025. Net internal migration removes 34 residents a year while overseas migration adds 31. The aging trajectory, with the senior share up 8.7 points over the decade, is the primary structural driver.
What is the demographic profile of Woronora Heights?
The median age is 43, which is 3 years above the national average. The community is predominantly Australian-born, with only 14.1% born overseas, which is 7.5 points below national. English, Irish, and Scottish ancestry lead the counts. Average household size of 3.2 is 0.7 above national, reflecting the prevalence of large family homes, with 84% of dwellings having 4 or more bedrooms.
How to read these comparisons
Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.
Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.
Data sources: ABS 2021 Census (demographics, income, tenure), state Valuer-General (house prices), Department of Jobs SALM (unemployment), ACARA (school ICSEA), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.
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