Duffy

Suburb (SAL)

Australian Capital Territory / Weston Creek

 
 
 
 
 
 
 
Data Sources ABSValuer GeneralRental BoardACARA Newest Aug 2026 · Refreshed ABS QuickStats SAL80048 How we calculate this
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Suburb (SAL) Boundary Analysis

This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.

SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.

Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.

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Sales ActivityProperty Sales Trends in Duffy

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DemographicsPopulation Growth in Duffy

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Duffy has an estimated 3,514 residents, up from 3,395 at the 2021 Census — a change of 119 people, or 3.5%. Growth has averaged 1.1% a year over five years. That puts 1,255 residents on each square kilometre. Population is estimated from ABS Estimated Resident Population releases and GNAF address data, re-based from the 2021 Census and updated annually.

Detail

According to ABS population updates and fresh addresses verified by AreaSearch after the Census, the suburb of Duffy has an estimated population of 3,514 as of May 2026. This represents a growth of 119 people (3.5%) from the 2021 Census, which counted 3,395 residents. This change is calculated from the resident population of 3,514, determined by AreaSearch utilizing the ABS June 2025 ERP release alongside 10 validated new addresses since the Census. Such a population size results in a density of 1,255 persons per square kilometer, which is greater than the average across locations evaluated nationally by AreaSearch.

The 3.5% expansion rate in the suburb of Duffy since the 2021 census outpaced the SA3 area (1.9%), making it a growth leader within the region. Overseas migration was the primary driver, accounting for roughly 67.0% of the population increase during recent times. AreaSearch incorporates ABS/Geoscience Australia projections for each SA2 region published in 2024 with 2022 as the base year. ACT Government SA2 projections with a 2022 baseline are utilized for any SA2 areas missing from this dataset and for horizons beyond 2032. Reflecting these anticipated demographic shifts, population growth in the suburb of Duffy is projected to fall in the lower quartile of statistical areas nationally, with total residents expected to rise by 83 persons by 2041 based on compiled SA2 projections, representing a 2.4% gain over the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the suburb of Duffy?
Total population for the suburb of Duffy was estimated to be approximately 3,514 as at May 26. This is based upon an estimated resident population of 3,514 from the ABS up to June 2025.
How has the population in the suburb of Duffy changed since 2021?
The suburb of duffy has added approximately 119 people and shown a 3.51% increase from the 3,395 people recorded at the 2021 Census period.
What is the population density in the suburb of Duffy?
The population density in the suburb of Duffy is estimated at 1,255 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the suburb of Duffy?
Over the past 10 years, the population in the suburb of Duffy has shown a compound annual growth rate of 0.9% per annum.
What are the main drivers of population growth in the suburb of Duffy?
Population growth in the suburb of Duffy is driven by: Overseas migration (67.0%), Natural increase (33.0%), Interstate migration (0.0%). The primary driver is Overseas migration, contributing 67.0% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Duffy

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28 new dwellings have been approved in Duffy over the past five years, an average of 5 a year. That is 1.7 approvals per 1,000 residents. Approvals are currently running at an annualised 6, broadly in line with that longer-run average. Figures come from ABS building approvals aggregated to this Suburb (SAL) boundary and are updated monthly as the ABS releases them.

Detail

Based on AreaSearch assessments of ABS building approvals mapped from statistical areas, Duffy has averaged about 5 new residential approvals yearly, accumulating to an estimated 28 dwellings over the last 5 financial years. In the current FY-26, 6 approvals have been registered. Because an average of 6.9 new residents per constructed dwelling arrived annually over the past 5 financial years (between FY-21 and FY-25), demand is outstripping supply. This mismatch typically elevates prices and intensifies buyer competition, while newly built houses carry an average value of $331,000—moderately higher than regional baselines—signaling a focus on premium construction.

Furthermore, commercial development approvals valued at $209,000 have been logged during this financial year, highlighting the residential character of the locality. Compared to the Australian Capital Territory, Duffy exhibits roughly 69% of the per capita construction volume, placing it in the 16th percentile of assessed locations across Australia, which limits choice for buyers and sustains interest in established dwellings. This level also falls below the national benchmark, reflecting market maturity and potential zoning or land constraints. New residential additions comprise 50.0% detached houses and 50.0% medium and high-density dwellings. This move toward higher density offers more affordable entry points and attracts downsizers, investors, and first-time buyers. This represents a clear shift from the current housing stock (which stands at 88.0% houses), indicating a decline in available development sites alongside shifting lifestyles and a demand for more varied, affordable housing. With roughly 992 people for every approval, Duffy demonstrates the profile of a mature, settled community. Looking ahead, the population of Duffy is projected to expand by 83 residents up to 2041 (starting from the most recent quarterly estimate by AreaSearch). At current construction rates, the supply of new housing should easily satisfy demand, creating favorable buyer conditions and potentially supporting expansion beyond current demographic forecasts.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the suburb of Duffy recently?
Dwelling approval activity in the the suburb of Duffy area has seen 7 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The suburb of Duffy's current population of 3,514 has been supported by 5 approvals on average over recent years.
How does the suburb of Duffy's development activity compare to the broader region?
The suburb of Duffy has seen 0.16 approvals per 100 people in recent years, compared to 0.97 approvals in the broader region. This means that one dwelling has been approved for every 992 people in the suburb of Duffy, compared to one for every 141 in the broader region.
Is the suburb of Duffy keeping up with housing demand?
With the population expected to increase by 83 people by 2041, around 42 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling. This suggests that population growth may exceed trend projections in the coming years, supported by a robust housing supply.
What has been the trend in development approvals over the past five years in the suburb of Duffy?
Looking at development activity over the past five years, the suburb of Duffy's approval levels have been significantly below the yearly average of 5, showing a notable downturn in recent development.
How many dwellings will be needed to accommodate future population growth in the suburb of Duffy?
The population in the suburb of Duffy is expected to grow by 83 people by 2041, necessitating approximately 42 new dwellings. This calculation is based on the current census average of 2.0 persons per dwelling in the area.
How does recent development compare to population growth in the suburb of Duffy?
Over the past five years, the population in the suburb of Duffy has grown by approximately 467 people, while 28 residential approvals were recorded. This equates to a ratio of 16.7 people added for each new dwelling approval. This high ratio suggests strong population growth relative to housing supply, potentially indicating unmet housing demand.
Are there opportunities for residential developers in the suburb of Duffy?
With dwelling approval activity running at an average of 5 approvals per year and a population of 3,514, the market appears to be adequately supplied relative to projected housing demand in recent years, suggesting that developers should have a longer-term approach when considering new projects. With the population expected to increase by 83 people by 2041, around 42 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling. This suggests that population growth may exceed trend projections in the coming years, supported by a robust housing supply.
Approvals Pipeline Development applications near Duffy

Development applications around Duffy

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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.

Project PipelineInfrastructure & Major Projects in Duffy

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AreaSearch tracks 24 current infrastructure and development projects close to Duffy, worth an estimated $1.32 billion. 7 are already under construction and 1 are due for completion within three years. The pipeline spans residential development, communities, precincts & urban renewal and retail. Records are compiled from Infrastructure Australia, state agencies, council planning portals and public announcements, reviewed and updated daily, then ranked by proximity, construction stage, completion horizon and project scale.

Detail

Nothing influences local performance as much as adjustments to infrastructure, major projects, and planning policies. In total, no projects have been identified by AreaSearch that are expected to affect this locality. Key developments include Molonglo Group Centre to Town Centre Transition, Fetherston Weston, Deakin Private Hospital, and Ngurra Cultural Precinct, with the provided list detailing those expected to be of greatest relevance.

Professional plan users can use the search below to filter and access additional projects.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the suburb of Duffy?
Key infrastructure and planning changes likely to influence the suburb of Duffy include: Molonglo Group Centre to Town Centre Transition (Planning); Fetherston Weston (Approved); Deakin Private Hospital (Completed); Ngurra Cultural Precinct (Approved); and ACT Stormwater Network Improvements Program (Planning). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the suburb of Duffy?
Infrastructure development impacting the suburb of Duffy spans multiple sectors including Transport & Logistics, Health & Medical, and Communities, Precincts & Urban Renewal, among others.
What is the scale of infrastructure investment impacting the suburb of Duffy?
Infrastructure investment analysis indicates significant investment of approximately $557 million in infrastructure projects affecting the region, with a notable concentration of investment within the immediate the suburb of Duffy vicinity.
How does the suburb of Duffy's infrastructure development compare to other areas?
The suburb of Duffy shows moderate infrastructure development relative to national averages, with opportunities for future growth and investment.
Cooleman Court Shopping Precinct Upgrades
Category: Retail
Stage: Construction | Est. Comp: 0
Source / Links: Link 1   

Upgrades to the shopping precinct at Cooleman Court to revitalize and improve access.

Retail

Woolworths Weston Creek Supermarket Expansion and Refurbishment
Category: Retail
Stage: Construction | Est. Comp: 0
Source / Links: Link 1   

Expansion of the supermarket and full refurbishment to Woolworth's latest standard. Supermarket to remain open during refurbishment.

Retail

Molonglo River Bridge and John Gorton Drive Extension
Category: Transport & Logistics
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

A jointly funded ACT and Australian Government infrastructure project delivering a 200-metre weathering steel bridge over the Molonglo River and approximately 1.7 kilometres of new arterial road as the final section of John Gorton Drive. When complete, the bridge will be the longest weathering steel bridge in Australia and the tallest road bridge in Canberra. The project improves all-weather connectivity for Molonglo Valley suburbs including Denman Prospect and Whitlam, replacing the flood-prone Coppins Crossing alignment.Scope includes two new signalised intersections, two queue-jump bus lanes, bus stops, provision for future light rail, off-road shared paths, a pedestrian underpass adjacent to the future Molonglo Town Centre, a services corridor for electricity across the river, and native fauna habitat including platypus nesting sites. Construction began January 2024; all 12 steel girders have been lifted into place and deck construction is underway. Completion is expected in late 2026.

Transport & Logistics

Molonglo Town Centre
Category: Precincts & Urban Renewal
Stage: Approved | Est. Comp: 2035
Source / Links: Link 1   Link 2  

Canberra's sixth town centre, formally reclassified under National Capital Plan Amendment 99 (September 2024). The Suburban Land Agency is master-planning a 97-hectare precinct along the Molonglo River to serve as the primary commercial and community hub for the Molonglo Valley district, expected to house around 70,000 residents by 2050. The centre will include a main shopping precinct, homemakers and service trades precinct, district library and community centre, indoor sport and recreation facility, high school and college, transport interchange, town park, and approximately 10,000 dwellings within the town centre itself.Delivery is planned in four stages over 8-10 years, with retail core construction commencing in 2026.

Precincts & Urban Renewal

Waramanga Oval and Stirling Playing Fields Upgrades
Category: Sports & Recreation
Stage: Proposed | Est. Comp: 0
Source / Links: Link 1   

Lighting upgrades at Waramanga Oval and upgraded field lights at Stirling Playing fields to allow for night matches.

Sports & Recreation

Heysen Street, Weston RZ4 Land Development Opportunity
Category: Residential Development
Stage: Proposed | Est. Comp: 0

Substantial 13,130my RZ4 (medium density residential) land parcel in established Weston, available for purchase for residential development. Elevated block with Brindabella views.

Residential Development

Weston Creek Aged Care Facility
Category: Health & Medical
Stage: Approved | Est. Comp: 0
Source / Links: Link 1   

Construction of an aged care facility and associated works on Blocks 1151 and 864 Weston Creek. Follows NCA Board approval in 2015 for a retirement village and 99-year lease.

Health & Medical

Fetherston Weston
Category: Residential Development
Stage: Approved | Est. Comp: 0
Source / Links: Link 1   Link 2  

Village Building Company plans a medium-density development of 337 homes on former AFP site with sustainable features like solar panels and EV charging stations. Construction of 26 new buildings comprising 11 three-storey apartment buildings, 5 walk-up apartment buildings and 15 two-storey townhouses to accommodate a total of 337 new dwellings, with new basement car parking. Amendment for changes to the roof on building L, M, N, O, P and Z, and changes to building levels for buildings N and Z.

Residential Development

Jobs & IndustryEmployment Trends in Duffy

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1,798 residents of Duffy are employed, from a labour force of 1,887. Unemployment sits at 4.7%, with participation at 68.1%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.5% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 2,694, about 77% of the resident population, so more people leave the area for work than travel in. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.

Detail

Duffy is characterized by a highly educated workforce with strong representation in essential services, and has an unemployment rate of 4.7% based on compiled statistical area data from AreaSearch. As of March 2026, 1,798 residents are employed, though the unemployment rate is 0.7% higher than the Australian Capital Territory average of 4.1%, and workforce participation is slightly below standard (68.1% compared to 70.8% in the Australian Capital Territory). Census responses indicated that a moderate 14.7% of employees worked from home, though this may have been influenced by Covid-19 lockdown restrictions.

The main industries employing local residents are public administration & safety, professional & technical, and health care & social assistance. In contrast, accommodation & food services has a small footprint, accounting for 5.0% of employment compared to 6.5% across the region. The highly residential nature of the suburb means local job opportunities are limited, as demonstrated by the comparison of Census workers to resident workers. According to AreaSearch analysis of SALM and ABS data aggregated from wider statistical divisions, the local labor force expanded by 1.1% over the 12 months ending March 2026, while overall employment contracted by 0.6%, resulting in a 1.6 percentage point rise in unemployment. In comparison, the Australian Capital Territory experienced employment growth of 0.3%, labor force growth of 1.1%, and a 0.7 percentage point increase in unemployment. Jobs and Skills Australia's national employment forecasts from May-25 offer additional perspective on prospective demand trends in Duffy. These five and ten-year projections have been aligned with the local industry profile to estimate future growth. Although national employment is projected to grow by 6.6% over five years and 13.7% over ten years, the rates vary widely by sector. Applying these industry-specific projections to the local workforce mix suggests employment for residents will grow by 6.5% over five years and 13.2% over ten years (note that this is a basic weighted extrapolation for illustration and does not incorporate local population forecasts).

Frequently Asked Questions - Employment

What is the employment situation in the suburb of Duffy?
As of March 2026, the suburb of Duffy has approximately 1,798 employed residents with an unemployment rate of 4.7%. This healthy unemployment rate suggests a well-functioning labour market. Employment indicators are below the national average, suggesting room for improvement.
How does the suburb of Duffy's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the suburb of Duffy stands at 4.7%, which is 0.7 percentage points above Australian Capital Territory's rate of 4.1%. This higher unemployment rate may indicate local labour market challenges. For comparison, the national unemployment rate is 4.2%.
What are the major employment sectors in the suburb of Duffy?
The employment landscape in the suburb of Duffy is dominated by several key sectors. The largest employers are public administration & safety (32.6% of employment), professional & technical (11.7%), and health care & social assistance (11.1%). These three sectors alone account for 55.4% of local employment, indicating significant concentration. Other significant employers include education & training and construction.
How has employment changed recently in the suburb of Duffy?
Over the past year to March 2026, the suburb of Duffy has experienced a decline in employment, with total jobs decreasing while the labour force increased. As a result, the unemployment rate has rise. By comparison, Australian Capital Territory saw employment increased and its unemployment rate rose.
What is the workforce participation rate in the suburb of Duffy?
The workforce participation rate in the suburb of Duffy is 68.1%, which represents the proportion of working-age residents who are either employed or actively seeking work. This healthy participation rate reflects good employment opportunities and workforce engagement. The local rate trailing the Australian Capital Territory average of 70.8%, showing similar workforce dynamics to the broader region.
Which industries are over-represented in the suburb of Duffy's employment market?
The suburb of duffy shows notable specialization in public administration & safety, which employs 32.6% of the local workforce compared to 30.4% regionally. This moderate specialization indicates some local strength in the sector.
What are the employment growth prospects for the suburb of Duffy?
Based on Jobs and Skills Australia projections applied to the suburb of Duffy's industry mix, employment is expected to grow by 6.5% over the next five years and 13.2% over ten years. This compares to national growth expectations of 6.6% over five years. Steady growth is anticipated across multiple sectors, providing diverse employment opportunities.
How does the job market in the suburb of Duffy compare nationally?
The suburb of duffy's employment market shows below-average performance in national comparisons. While employment opportunities exist, the area faces more challenges than many other regions. Recent job advertisement trends show the broader employment region saw a 18.9% decline, ranking 37.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the suburb of Duffy?
Skilled workers will find good opportunities in the suburb of Duffy, with skilled sectors accounting for 35.0% of employment. Key sectors for skilled workers include professional & technical (11.7%), health care & social assistance (11.1%), and education & training (9.6%). With projected employment growth of 6.5% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Duffy

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Median household income in Duffy is $2,593 a week (about $135,000 a year), with median personal income at $1,251 a week. ATO records put median taxable income at $70,808 a year against an average of $84,236. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.

Detail

According to the latest postcode-level ATO data compiled by AreaSearch for financial year 2023, the median taxpayer income in the suburb of Duffy is $70,808 and the average is $84,236. This represents an extremely high level nationally, compared to the Australian Capital Territory median of $72,206 and average of $85,981. Factoring in Wage Price Index growth of 10.44% since financial year 2023, current estimates stand at approximately $78,200 (median) and $93,030 (average) as of March 2026. The 2021 Census reveals that household, family, and individual incomes in Duffy all rank highly, placing in the 92nd to 93rd percentiles across Australia.

Income analysis shows that 31.6% of the community (1,110 individuals) falls within the $1,500 - 2,999 weekly earnings bracket, matching regional patterns where 34.3% share this bracket. A substantial 43.3% earn more than $3,000 per week, pointing to affluent segments that support robust local business. After paying for housing, residents keep 87.2% of their income, demonstrating high purchasing power and placing the area in the 9th decile of the SEIFA income index.

Frequently Asked Questions - Income

What is the median taxable income in the suburb of Duffy?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Duffy is approximately $78,200. The official ATO data from FY-23 recorded a median of $70,808.
What is the average taxable income in the suburb of Duffy?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Duffy is approximately $93,030. The official ATO data from FY-23 recorded an average of $84,236.
How does the median taxable income in the suburb of Duffy compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Duffy is approximately $78,200 compared to $79,744 in Australian Capital Territory. The official ATO data from FY-23 shows $70,808 and $72,206 respectively.
How does the average taxable income in the suburb of Duffy compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Duffy is approximately $93,030 compared to $94,957 in Australian Capital Territory. The official ATO data from FY-23 shows $84,236 and $85,981 respectively.
What are the main income cohorts in the suburb of Duffy according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~31.6% / 1,110 persons) of the suburb of Duffy's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the suburb of Duffy compare to the region?
The largest income cohort in the suburb of Duffy is the $1,500 - 2,999 group, representing about 31.6% of the population. In comparison, Australian Capital Territory's largest income cohort is the $1,500 - 2,999 group, representing 34.3% of its population, according to the 2021 Census.
What is the median household income in the suburb of Duffy according to the 2021 Census?
The 2021 Census data indicates that the median household income in the suburb of Duffy is $2,593/wk.
What is the median family income in the suburb of Duffy according to the 2021 Census?
According to the 2021 Census, the median family income in the suburb of Duffy is $3,099/wk.
What is the median personal income in the suburb of Duffy according to the 2021 Census?
The 2021 Census shows that the median personal income in the suburb of Duffy is $1,251/wk.
How does the suburb of Duffy's income rank nationally?
According to AreaSearch's aggregation of the latest postcode level ATO data released for FY-23, the suburb of Duffy had a median income among taxpayers of $70,808 with the average level standing at $84,236. This is among the highest in Australia and compares to levels of $72,206 and $85,981 across Australian Capital Territory respectively. Based on Wage Price Index growth of 10.44% since FY-23, current estimates would be approximately $78,200 (median) and $93,030 (average) as of March 2026.
What is the disposable income in the suburb of Duffy?
The estimated disposable income in the suburb of Duffy is $9,796 per year according to AreaSearch analysis.
How does the suburb of Duffy's disposable income compare to the region?
The suburb of duffy's disposable income is $9,796 compared to $8,812 for Australian Capital Territory, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Duffy

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Duffy had 1,231 occupied dwellings at the 2021 Census, 88% detached houses and 4% apartments. 43% are owned with a mortgage, 19% rented and 38% owned outright. At that Census the median rent was $445 a week and the median mortgage repayment $2,476 a month, a total housing cost higher than 76% of areas nationally. Rent absorbs 17.2% of household income here and mortgage repayments 22.0%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

At the time of the latest Census, the housing mix in Duffy consisted of 87.9% houses and 12.1% other dwellings (including semi-detached properties, apartments, and alternative accommodation types), compared to the Australian Capital Territory average of 63.3% houses and 36.7% other dwellings. Home ownership in Duffy was significantly higher than the Australian Capital Territory average, standing at 37.6%, with the remaining properties being mortgaged (43.3%) or rented (19.1%). The median monthly mortgage payment of $2,476 was well above the Australian Capital Territory average of $2,080, while the median weekly rent was recorded at $445, compared to the Australian Capital Territory average of $450.

Nationally, Duffy's mortgage payments are considerably higher than the Australian average of $1,863, and rent prices are substantially above the national benchmark of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the suburb of Duffy?
In the suburb of Duffy, 37.6% of homes are owned outright, 43.3% are owned with a mortgage, and 19.1% are rented.
What percentage of dwellings in the suburb of Duffy are houses?
According to the latest data, 87.9% of dwellings in the suburb of Duffy are houses.
What percentage of dwellings in the suburb of Duffy are apartments or units?
In the suburb of Duffy, 4.2% of dwellings are apartments or units, with an additional 7.9% being semi-detached dwellings.
What is the level of outright home ownership in the suburb of Duffy?
Outright home ownership in the suburb of Duffy stands at 37.6%, compared to 27.3% in Australian Capital Territory.
What is the median monthly mortgage repayment in the suburb of Duffy?
The median monthly mortgage repayment in the suburb of Duffy is $2,476, compared to $2,080 in Australian Capital Territory.
What is the median weekly rent in the suburb of Duffy?
The median weekly rent in the suburb of Duffy is $445, compared to $450 in Australian Capital Territory.
What is the distribution of rental prices in the suburb of Duffy?
In the suburb of Duffy, 17.6% of rentals are $0-149/week, 20.1% are $150-349/week, 49.5% are $350-649/week, 12.7% are $650-949/week, and 0.0% are $950+/week.
What is the average monthly housing cost in the suburb of Duffy?
The aggregate monthly housing cost in the suburb of Duffy is $1,440, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the suburb of Duffy?
In the suburb of Duffy, households with mortgages typically spend 22.0% of their income on mortgage repayments, while renters spend 17.2% of their income on rent.
How crowded are homes in the suburb of Duffy?
The average persons per bedroom ratio in the suburb of Duffy is 0.7, indicating the level of household density.
How does housing affordability in the suburb of Duffy compare to the region?
Housing affordability in the suburb of Duffy shows mortgage holders spending 22.0% of income on repayments (vs 20.2% regionally), while renters spend 17.2% of income on rent (vs 19.0% regionally).
What types of dwellings are most common in the suburb of Duffy?
The dwelling mix in the suburb of Duffy consists of 87.9% detached houses, 7.9% semi-detached dwellings, 4.2% apartments, and 0.0% other dwelling types.
What is the weighted average housing cost based on tenure mix in the suburb of Duffy?
Accounting for the local ownership mix, the weighted average monthly housing cost is approximately $1,440. This accounts for outright owners paying no housing costs, mortgage holders paying $2,476/month, and renters paying $1,927/month.
How affordable is housing in the suburb of Duffy relative to local incomes?
Housing in Duffy consumes approximately 12.8% of median household income ($11,228 monthly), indicating costs are highly affordable. The generally accepted benchmark is that housing should not exceed 30% of household income.
How do proposed developments compare to existing housing types in the suburb of Duffy?
Development activity remains minimal in this area with fewer than 5 recent applications recorded.

HouseholdsHousehold Composition in Duffy

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Duffy counted 1,231 households at the 2021 Census, averaging 2.7 people each. 37% are couples with children, against 27% couples without children. 20% of households are people living alone, and families average 1.6 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Family households make up the majority at 77.3% of the total, consisting of 37.2% couples with children, 26.8% couples without children, and 11.3% single parent families. Non-family households account for the remaining 22.7%, with lone person households making up 20.3% and group households representing 3.1% of the total. The median household size of 2.7 people is larger than the Australian Capital Territory average of 2.5.

Frequently Asked Questions - Households

How many households are in the suburb of Duffy?
As of the 2021 Census, the suburb of Duffy had 1,231 households. Based on population growth patterns, this has grown by approximately 3.5% to an estimated 1,274 households today.
What is the typical household size?
The median household size in the suburb of Duffy is 2.7 people. This compares to 2.5 in Australian Capital Territory and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 77.3% of all households. The remaining households consist of lone person households (20.3%), group households (3.1%), and other household types (0.0%).
How are families structured in the area?
Among the 951 family households, 37.2% are couples with children, 26.8% are couples without children at home, and 11.3% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the suburb of Duffy compare to regional household patterns?
Compared to Australian Capital Territory, the suburb of Duffy shows distinct household patterns. Family households are notably over-represented at 77.3% (versus 69.6% regionally). Conversely, lone person households are under-represented at 20.3% compared to the regional 25.7%. This family-oriented profile influences local demand for family homes, schools, and children's services.
What is the average family size?
Families in the suburb of Duffy have an average of 1.6 children, slightly above the Australian Capital Territory average of 1.4. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the suburb of Duffy?
Marriage patterns reveal 50.4% of the adult population are currently married, while 35.5% have never married. This compares to 46.8% married and 39.2% never married across Australian Capital Territory.
How significant are single-person households?
Single-person households represent 20.3% of all households in the suburb of Duffy, notably lower than the regional average of 25.7%. This affects demand for smaller dwellings and single-person accommodation.
Are shared living arrangements common?
Group households (unrelated people sharing) account for 3.1% of households, well below the Australian Capital Territory average of 4.7%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Duffy

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46.7% of adults in Duffy hold a university qualification, including 26.0% with a bachelor degree and 14.5% with postgraduate qualifications, higher than 87% of areas nationally. A further 14.9% hold a vocational qualification. 1 school serves the area, with 372 enrolment places and an average ICSEA of 1,090 against a national benchmark of 1,000. Qualifications come from the 2021 Census; school enrolments, ICSEA and results come from ACARA's current release.

Detail

Education levels in Duffy are significantly higher than broader averages, with 46.7% of residents aged 15+ holding university degrees, compared to 30.4% across Australia. This substantial educational lead positions the local population well for knowledge-based careers. Bachelor degrees are the most common at 26.0%, followed by postgraduate degrees (14.5%) and graduate diplomas (6.2%). Vocational and technical skills are also well represented, with 25.9% of residents aged 15+ holding vocational qualifications, including advanced diplomas (11.0%) and certificates (14.9%). Participation in education is high, with 30.3% of residents currently enrolled in study.

This group includes 9.5% in primary school, 9.2% in secondary school, and 6.4% in tertiary education.

Frequently Asked Questions - Education

What percentage of people in the suburb of Duffy have university qualifications?
46.7% of people aged 15 and over in the suburb of Duffy have university qualifications, compared to 46.8% in the broader region.
What percentage of people in the suburb of Duffy have no formal qualifications?
27.4% of people aged 15 and over in the suburb of Duffy have no formal qualifications, compared to 28.6% regionally.
How does the suburb of Duffy's education level compare to national averages?
The suburb of duffy ranks in the 87th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the suburb of Duffy?
The most common qualifications in the suburb of Duffy are: Bachelor Degree (26.0%), Certificate (14.9%), Postgraduate (14.5%).
What proportion of the suburb of Duffy's population is currently attending educational institutions?
30.3% of the population in the suburb of Duffy is currently engaged in formal education, with 9.5% in primary school, 9.2% in secondary school, 6.4% at university.
What is the ICSEA score for schools in the suburb of Duffy?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the suburb of Duffy is 1090, indicating average socio-educational advantage (national average is 1000).
How many schools are located within the suburb of Duffy?
There are 1 schools within the suburb of Duffy, with a combined enrollment of approximately 372 students.
What types of schools are available in the suburb of Duffy?
The suburb of duffy includes 1 primary school.

Schools Detail

AmenitiesServices & Amenities in Duffy

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Getting AroundTransport & Commuting in Duffy

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Public transport in Duffy reaches 28 stops on 71 routes, timetabled for about 5,500 services a week. The typical home sits about 160 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.6 vehicles. Stop and service counts are built from operators' published GTFS timetables and refresh with each timetable release; vehicle ownership is from the 2021 Census.

Detail

Public transport data shows 28 active transit stops within Duffy, consisting of bus services. These stops are served by 71 separate routes, which combine to deliver 5,540 passenger trips per week. Transit accessibility is classified as excellent, with residents living an average of 162 meters from their nearest stop. As a predominantly residential suburb, most workers commute out of the area, with private vehicles remaining the primary mode of travel at 89%, followed by 6% using buses and 3% cycling. Vehicle ownership averages 1.6 cars per household, which is higher than the regional average.

About 14.7% of residents worked from home according to the 2021 Census, which may reflect pandemic-era conditions. Service frequency averages 791 trips per day across all routes, which translates to approximately 197 weekly trips per transit stop.

Frequently Asked Questions - Transport

How many public transport stops are in Duffy?
There are 28 public transport stops within the suburb of Duffy.
How frequent are the transport services in Duffy?
the suburb of Duffy has 5,540 weekly trips across 71 routes, averaging 791 trips per day.
How far are residents from public transport in Duffy?
On average, residential properties are 162 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Duffy

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68.9% of residents in Duffy report no long-term health condition. 4.9% need daily assistance with core activities, and 60.5% hold private health cover. The standardised death rate runs at 4.4 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

Duffy displays above-average health profiles, based on AreaSearch's evaluation of mortality rates and chronic illness levels, with both younger and older cohorts displaying a low incidence of common health issues, and the rate of private health insurance is exceptionally high at roughly 60% of the total population (2,124 people). The most common medical issues among residents are asthma and arthritis, affecting 8.3 and 8.1% of the population, respectively, while 68.9% reported having no chronic medical conditions, compared to 70.2% across the Australian Capital Territory. Residents under 65 experience better than average health.

The area contains 15.4% of residents aged 65 and over (541 people), which is higher than the 14.3% average for the Australian Capital Territory. Health profiles for senior residents are above average, with national rankings generally matching those of the broader local population.

Frequently Asked Questions - Health

How many people in the suburb of Duffy have private health insurance?
Around 60.5% of people in the suburb of Duffy are covered by private health insurance, which compares to 62.4% in the broader region of Australian Capital Territory.
What percentage of the population requires ongoing medical assistance in the suburb of Duffy?
In the suburb of Duffy, 4.9% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 4.6% of people in Australian Capital Territory require similar assistance.
How prevalent is asthma in the suburb of Duffy?
8.3% of people in the suburb of Duffy are diagnosed with asthma. In comparison, 8.1% of the population across Australian Capital Territory is affected by asthma.
What percentage of people have diabetes in the suburb of Duffy?
Diabetes affects 3.1% of the the suburb of Duffy population, while in the surrounding region, 3.5% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the suburb of Duffy?
3.5% of people in the suburb of Duffy have heart disease. Across the region of Australian Capital Territory, 2.8% of the population is affected by heart disease.
How does the suburb of Duffy compare to the region in terms of overall private health coverage?
In the suburb of Duffy, 60.5% of the population are estimated to have private health insurance. Comparatively, Australian Capital Territory sees an estimated private health coverage rate of 62.4%.

Ancestry & LanguageCultural Diversity in Duffy

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Duffy is largely Australian-born, at 78.9% of residents, with 15.1% speaking a language other than English at home. The largest reported ancestries are Australian (26.7%) and English (26.4%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Duffy is more culturally diverse than average, with 21.1% of residents born overseas and 15.1% speaking a non-English language at home. Christianity is the main religion, followed by 42.7% of the population. The most distinct religious overrepresentation is Judaism, which accounts for 0.4% of residents compared to 0.2% across the Australian Capital Territory. In terms of parent country of birth, the three largest ancestry groups are Australian at 26.7%, English at 26.4%, and Irish at 9.3%. There are also distinct concentrations of other heritage groups: Hungarian is notably overrepresented at 0.8% of the population (compared to 0.3% regionally), Polish at 1.5% (compared to 0.8%), and Welsh at 0.9% (compared to 0.6%).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the suburb of Duffy?
Duffy was found to be above average in terms of cultural diversity, with 21.1% of its population born overseas and 15.1% speaking a language other than English at home.
What is the most common religion in the suburb of Duffy?
The main religion in Duffy was found to be Christianity, which makes up 42.7% of people in Duffy. However, the most apparent overrepresentation was in Judaism, which comprises 0.4% of the population, compared to 0.2% across Australian Capital Territory.
What are the top countries of origin in the suburb of Duffy?
In terms of ancestry (country of birth of parents), the top three represented groups in Duffy are Australian, comprising 26.7% of the population, English, comprising 26.4% of the population, and Irish, comprising 9.3% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Hungarian is notably overrepresented at 0.8% of Duffy (vs 0.3% regionally), Polish at 1.5% (vs 0.8%) and Welsh at 0.9% (vs 0.6%).
How does the percentage of people born overseas compare to the regional average?
21.1% of the the suburb of Duffy population was born overseas, compared to 29.9% regionally.
What percentage of the the suburb of Duffy population speaks a language other than English at home?
15.1% of the population in the suburb of Duffy speaks a language other than English at home, compared to 25.6% in the wider region.
How many people in the suburb of Duffy identify as Australian Aboriginal?
1.4% of the the suburb of Duffy population identifies as Australian Aboriginal, compared to 1.4% in the region.
What is the citizenship status of the population in the suburb of Duffy?
91.8% of the the suburb of Duffy population holds citizenship, compared to 85.8% in the wider region.

Age StructureAge Profile of Duffy

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The median resident of Duffy is 38. That is 1 year younger than at the 2021 Census. 23.5% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.

Detail

The median age in Duffy is 38 years, which is slightly older than the Australian Capital Territory average of 35 and matches the national median of 38. Compared to the Australian Capital Territory, Duffy has a higher proportion of residents aged 5 - 14 (15.6%) but fewer residents aged 25 - 34 (10.7%). Since the 2021 Census, the 5 to 14 age group has grown from 13.6% to 15.6% of the population, and the 35 to 44 cohort increased from 13.6% to 15.3%. Conversely, the 65 to 74 group fell from 8.9% to 6.9%, and the 45 to 54 group dropped from 15.3% to 14.2%.

Demographic projections indicate that Duffy's age structure will change significantly by 2041. The 45 to 54 cohort is projected to grow the fastest at 10%, adding 52 residents to total 551. Meanwhile, the 55 to 64 and 25 to 34 age brackets are expected to shrink.

Frequently Asked Questions - Age

What is the median age in the suburb of Duffy?
According to the latest data, the median age in the suburb of Duffy is 38 years.
How does the suburb of Duffy's median age compare to broader areas?
At 38 years, Duffy is 3 years older than the Australian Capital Territory average (35 years) and equal to the national average.
What age groups are over-represented in the suburb of Duffy?
The most over-represented age group in the suburb of Duffy compared to the Australian Capital Territory region is the 5 - 14 group, making up 15.6% of the population.
What age groups are under-represented in the suburb of Duffy?
The most under-represented age group in the suburb of Duffy compared to the Australian Capital Territory region is the 25 - 34 group, making up 10.7% of the population.
Are there age groups with notable population variances?
Yes, certain age groups in the suburb of Duffy show significant variance compared to the Australian Capital Territory region. The most under-represented age group is 25-34 year-olds (10.7% vs 17.7%).
What is the percentage of children (0-14 years) in the suburb of Duffy?
The percentage of children aged 0-14 years in the suburb of Duffy is 21.1%.
What is the percentage of older people (65+ years) in the suburb of Duffy?
The percentage of people aged 65 and over in the suburb of Duffy is 15.4%.

Data & MethodBoundaries, Sources & Method for Duffy

Data currency Refreshed

9 of 14 data sections on this page were updated within the last 12 months — the newest current to Aug 2026.

Everything is aggregated to the Suburb (SAL) boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.

The ledger — source, cycle and currency by section

Section Source & update cycle Currency
Updated within the last 12 months 9 sections
Population ABS, GNAF, Geoscience Australia Annual (ABS ERP) May 2026 3 months ago headline measures · 2021 Census baseline
Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to May 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual May 2026 3 months ago headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to May 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) May 2026 3 months ago all 13 measures
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Aug 2026 this month all 21 measures
Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Aug 2026.
Infrastructure projects Infrastructure Australia, Local governments Daily May 2026 3 months ago all 2 projects tracked here
Project pipeline maintained continuously from Infrastructure Australia, state agencies, local government and public announcements. Records are added and revised daily; this area was last updated May 2026.
Employment ABS, DEWR, JSA Quarterly (ABS SALM) Mar 2026 5 months ago headline measures · 2021 Census baseline
Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census.
Education ABS, ACARA Annual (ACARA) Jul 2026 last month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 last month headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Jul 2026 last month all 14 measures
Annual and financial-year sources 2 sections
Income ABS, ATO Annual (ATO) FY 2023 3 years ago headline measures · 2021 Census baseline
ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail.
Health ABS, ATO Annual 2024 2 years ago headline measures · 2021 Census baseline
Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current.
Housing ABS 5-yearly (Census) 2021 Census next update 2026 all 30 measures
Households ABS 5-yearly (Census) 2021 Census next update 2026 all 18 measures
Cultural diversity ABS, Geoscience Australia 5-yearly (Census) 2021 Census next update 2026 all 44 measures

"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.

How the numbers are built

Population

The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 10 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (3,395 at the 2021 Census → 3,514 now). Annual growth rates are compound (CAGR), not simple averages.

Age profile

Cohort shares are not raw Census counts. Every cohort is held as a pair — the Census baseline and a current estimate — and the split is re-based using ERP and state population projections, current to May 2026. Median age is the Census median plus modelled change since. Charts that show both are labelled "2021 Census vs Current Estimate".

Property sales

Sourced from the state valuation authority's sales register — current, not Census, and refreshed weekly. Medians are calculated from settled transactions in the period shown; periods with very low transaction counts are flagged or suppressed, because a handful of sales can move a median substantially.

Rents

Derived from state rental bond lodgement data, by dwelling type and bedroom count. Bonds are lodged at the start of a new tenancy, so this reflects new lettings, not the whole rented stock.

Development & infrastructure

Building approvals come from current ABS releases; development applications are collected from council and state planning portals; the infrastructure pipeline is compiled from Infrastructure Australia and local government sources. Applications are matched to this boundary by address or coordinates, so very recent lodgements may not yet appear.

Employment & income

Industry and occupation structure comes from the Census, but the headline labour-market indicators do not. Unemployment and labour force are derived from ABS Small Area Labour Markets (quarterly). The employment outlook applies Department of Employment forecasts for all 19 industry divisions to this area's own industry mix (the agency is now Jobs and Skills Australia), as does the Internet Vacancy Index used for job demand. Because it is weighted on industry composition alone, that outlook carries no allowance for local population growth — in fast-growing areas the real rise in local jobs will typically be higher. Income combines Census household income with ATO taxable-income statistics for FY 2023, indexed forward using the Wage Price Index.

Education, transport & amenities

School enrolments, ICSEA and performance come from ACARA's current release, not the Census. Public transport stops and service frequency are derived from GTFS timetable feeds published by state transport departments. Services and amenities are proximity and count scores built from provider directories, refreshed on their own cycle. The Census contributes only the travel-to-work and qualification measures.

Rankings and benchmarks. Where we rank this area, the comparison set is every area of the same boundary type — suburbs against suburbs, SA2s against SA2s. Benchmarks compare this area against its greater capital city region and the national figure for the same measure and period.

Limits worth knowing. Small areas carry larger error margins, and the ABS introduces small random adjustments to Census counts to protect confidentiality — so totals may not sum exactly. Estimates re-based from regional data describe the area's expected trajectory, not a direct count of it. Figures are indicative for research and are not financial, planning or valuation advice.

Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (SAL80048). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.

Common questions about this page

How do Duffy suburb boundaries differ from Statistical Areas?
This page uses Suburbs and Localities (SAL) boundaries (suburb-style geography). SAL represents commonly-known suburb names used in addresses, while Statistical Areas (SA2) are designed for census/statistical reporting. Even when sharing the same name, SAL and SA2 boundaries often cover different geographic areas with different populations.
Where does the data on this Duffy page come from?
AreaSearch compiles this page from official and industry sources — including ABS, Geoscience Australia, Valuer General, Provider directories, DEWR, JSA, State Transport Departments and ACARA — then aggregates them to the boundary shown and calculates the rankings, growth rates and benchmarks itself. Property sales come from the state valuation authority, rents from state rental bond lodgements, development applications from council and state planning portals, school data from ACARA, and public transport from state transport departments.
Is the Duffy data on this page just from the 2021 Census?
No. Most of this page is maintained well beyond the Census. Sourced entirely from current releases: development & approvals (May 2026), property sales & rents (Aug 2026), infrastructure projects (May 2026) and services & amenities (Jul 2026). Built on a Census baseline but carrying newer measures on top: population (to May 2026), age profile (to May 2026), employment (to Mar 2026), income (to FY 2023), education (to Jul 2026), transport (to Jul 2026) and health (to 2024). Population and age cohorts in particular are re-based to the latest ABS Estimated Resident Population rather than left at 2021 counts. Only housing, households and cultural diversity remain wholly Census-based, because no more current small-area dataset exists for those measures.

Nearby Areas