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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.
est. as @ -- *
2021 Census | -- people
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Port Willunga has an estimated 1,838 residents, up from 1,785 at the 2021 Census — a change of 53 people, or 3.0%. That puts 863 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 assessments of ABS population statistics for the surrounding region, alongside address updates confirmed by AreaSearch after the Census, the suburb of Port Willunga has an estimated residency of 1,838 as of May 2026. This represents a gain of 53 individuals (3.0%) from the 2021 Census, which counted 1,785 residents. The variance is calculated from a resident base of 1,821, estimated by AreaSearch using the most recent June 2025 ABS ERP publication, combined with 17 validated new addresses identified post-census. The resulting population density stands at 862 persons per square kilometer, matching typical averages across locations evaluated by AreaSearch.
The 3.0% post-census expansion rate in the suburb of Port Willunga trails the SA3 region (5.8%) by 2.8 percentage points, indicating competitive local growth drivers. Recent population gains were mostly fueled by international migration, which accounted for approximately 50.0% of total increases, though positive contributions were also observed from natural increase and interstate movements. For demographic projections, AreaSearch incorporates the 2024 ABS and Geoscience Australia datasets, which utilize 2022 as their starting point. Where this data is unavailable, or for periods extending past 2032, SA State Government projections by age group from 2023 (utilizing 2021 baselines) are applied, utilizing weighted averages to scale regional growth figures down to the local level. Looking at future patterns in the suburb of Port Willunga, population growth is anticipated to run slightly underneath the national median for statistical regions, with aggregated local projections suggesting an expansion of 166 persons by 2041, representing a total rise of 8.1% over the 16 years.
Frequently Asked Questions - Population
35 new dwellings have been approved in Port Willunga over the past five years, an average of 7 a year. That is 3.9 approvals per 1,000 residents. Approvals are currently running at an annualised 4, well below 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
Analysis of ABS building approvals assigned from broader statistical regions indicates that the suburb of Port Willunga averages roughly 7 approved residences annually, totaling an estimated 35 residential approvals over the 5 financial years from FY-21 to FY-25, with 4 recorded during FY-26. Given that local population growth averaged only 0.9 individuals per new dwelling over the 5 financial years from FY-21 to FY-25, supply is keeping pace with or running ahead of demand, widening opportunities for buyers and potentially supporting faster population growth than currently modeled. The average construction value for these new properties is $445,000, pointing to developer activity focused on high-end, premium builds.
Meanwhile, commercial development has been quiet, with only $4.4 million in approvals registered in the current financial year. Building activity per capita in the suburb of Port Willunga is roughly 75% of the level recorded across Greater Adelaide, placing it in the 32nd percentile of areas monitored across the country, which limits options for buyers and sustains interest in the established housing market. The entirety of recent residential construction has comprised detached houses, reinforcing the low-density profile of the area and appealing to buyers seeking extra space. The quiet nature of the local building sector is highlighted by an estimated ratio of 520 people for every single approved dwelling. Projections indicate the population of the suburb of Port Willunga will expand by 149 residents by 2041, calculated from the latest quarterly figures from AreaSearch. Current construction trends suggest that new residential supply will comfortably accommodate this growth, offering favorable conditions for purchasers and potentially enabling population expansion to outpace current forecasts.
Frequently Asked Questions - Development
Development applications around Port Willunga
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| Lodged | Address | Description | Type | Distance | Status |
|---|
SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
AreaSearch tracks 16 current infrastructure and development projects close to Port Willunga, worth an estimated $4.12 billion. 4 are already under construction and 5 are due for completion within three years. The pipeline spans transport & logistics, 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
Local planning, infrastructure modifications, and major developments are primary drivers of change in the region. AreaSearch has identified 2 projects that are expected to influence the area. High-profile initiatives include the Aldinga Master Planned Community - Villawood Properties, Stage 2 of the Main South Road Duplication Project from Aldinga to Sellicks Beach, Aldinga - A New Community, and Aldinga Payinthi College, with key details provided below.
Professional plan users can use the search below to filter and access additional projects.
INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
Aldinga Master Planned Community
A strategic partnership between Renewal SA and Villawood Properties to create a 46-hectare master planned net zero carbon community delivering over 800 homes, including 200 in an over-55s lifestyle village, with a minimum of 25% affordable housing. The development features a diverse housing mix including detached, semi-detached, and townhouses, complemented by extensive open spaces, parks, and chain-of-ponds corridors. Residents will have access to a club with a pool, gym, cafe, and play spaces. The all-electric development includes an embedded energy network with solar, heat pumps, batteries, and a microgrid, aiming for 25% tree canopy coverage.It preserves a 60-metre wide rail corridor for future Seaford line extensions. Master planning is underway in 2025, with a sales launch anticipated for Summer 2025 and civil construction to commence in early 2026.
Aldinga Central Shopping Centre Expansion
Expansion of the existing Aldinga Central Shopping Centre, including a major renovation of the Coles supermarket. The expansion will add 4,250sqm of retail space and a new Foodland supermarket.
Aldinga Payinthi College
Birth to Year 12 'super school' accommodating up to 1,675 students and 250 staff, including 100 inclusive places for students with disability and 75-place children's centre. $125 million build featuring contemporary learning environments with STEM focus, performing arts theatre, libraries, VET kitchen, gym facilities, sports courts, community usage facilities, and extensive cultural and heritage elements recognizing Aboriginal significance. Construction complete, school open and accommodating up to 1500 students by 2026.
Ocean View Estate
An exclusive boutique residential estate in Maslin Beach, offering land for new homes and house and land packages, including the 'Ashford' design with 'Vantage' facade. The estate provides a luxury living experience near the beach and the McLaren Vale wine region, with flat land ready for new homes or holiday escapes. Lot sizes include 702sqm, with pricing starting from $1,090,298 for select packages.
Sellicks Hill Quarry Operations
261-hectare quarry producing limestone, shale, marble and dolomite. Ongoing air quality monitoring and dust management due to community concerns affecting nearby residential areas and future developments.
Sellicks Beach Growth Area Joint Amendment
A major master planned residential development rezoning approximately 134 hectares to facilitate roughly 1,700 new homes. The project includes a new neighborhood activity centre with a main street focal point, open space networks, and transport infrastructure. Development is currently deferred under a Coordinated Development Overlay pending final air quality monitoring results (expected April 2026) and infrastructure delivery agreements.
Fleurieu Connections - Main South Road Duplication
Duplication of Main South Road between Sellicks Beach and Victor Harbor, improving safety and reducing travel times to the Fleurieu Peninsula. The project includes new overtaking lanes, intersection upgrades and safety improvements.
McLaren Vale Central Shopping Centre
Dual supermarket anchored neighbourhood shopping centre with Coles and Romeo's Foodland, supported by 19 specialty retailers. Serves the McLaren Vale wine region and surrounding residential areas.
942 residents of Port Willunga are employed, from a labour force of 989. Unemployment sits at 4.8%, with participation at 64.8%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.3% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 1,388, about 76% 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
Data compiled by AreaSearch shows the suburb of Port Willunga features a qualified workforce with strong representation in core services, an unemployment rate of 4.8%, and job growth estimated at 5.8% over the preceding year. As of March 2026, the employed resident population stands at 942, with an unemployment rate that is 0.9% higher than the 3.8% registered across Greater Adelaide. Workforce participation aligns closely with the Greater Adelaide average of 66.6%. Census data indicates that a modest 11.5% of the workforce operated from home, though this figure may reflect the influence of pandemic restrictions.
The primary employment fields for residents are health care & social assistance, construction, and education & training. Construction is notably prominent, with local employment concentration reaching 1.4 times the regional average. In contrast, retail trade is underrepresented, accounting for 7.1% of workers compared to a regional benchmark of 10.0%. The comparison between the local workforce count and resident numbers suggests that this predominantly residential district provides relatively few local employment positions. An analysis of SALM and ABS statistics across broader geographic units reveals that local employment rose by 5.8% over the 12-month period, while the workforce grew by 4.5%, leading to a 1.2 percentage point reduction in the unemployment rate. This compares favorably to Greater Adelaide, which saw job opportunities grow by 4.2% and the labor force expand by 4.0%, leading to a minor drop of 0.2 percentage points. National employment projections from May-25 compiled by Jobs and Skills Australia provide context for future workforce needs. These five and ten-year forecasts have been applied to local employment sectors to model future trends. While national employment is projected to grow by 6.6% over five years and 13.7% over ten years, trends vary widely by sector. Applying these trends to the local industry mix suggests employment among residents of the suburb of Port Willunga will rise by 6.3% over five years and 13.4% over ten years, though this is a basic weighted projection that does not factor in localized population changes.
Frequently Asked Questions - Employment
Median household income in Port Willunga is $1,313 a week (about $68,000 a year), with median personal income at $690 a week. ATO records put median taxable income at $47,843 a year against an average of $55,582. 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
Postcode-level tax data compiled by AreaSearch for financial year 2023 shows the median income for taxpayers in the suburb of Port Willunga is $47,843, with an average of $55,582, falling below national benchmarks and contrasting with the Greater Adelaide median of $54,808 and average of $66,852. Adjusting these figures for a Wage Price Index increase of 10.17% since financial year 2023 gives current estimates of approximately $52,709 for the median and $61,235 for the average as of March 2026. The 2021 Census places household, family, and personal incomes in the area between the 21st and 26th percentiles nationwide.
The largest income bracket contains 32.0% of local earners (588 people) who receive between $1,500 - 2,999, which aligns with regional patterns showing 31.8% of the population in this group. Disposable income remaining after housing costs stands at 85.3%, ranking in the 23rd percentile nationally.
Frequently Asked Questions - Income
Port Willunga had 712 occupied dwellings at the 2021 Census, 95% detached houses and 1% apartments. 38% are owned with a mortgage, 24% rented and 38% owned outright. At that Census the median rent was $328 a week and the median mortgage repayment $1,300 a month. Rent absorbs 25.0% of household income here and mortgage repayments 22.8%. 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 stock in the suburb of Port Willunga consisted of 95.2% standalone houses and 4.8% alternative dwellings, such as townhouses, apartments, or other structures, contrasting with the Adelaide metro distribution of 75.2% houses and 24.9% other dwellings. Outright home ownership in the area was high compared to the Adelaide metro area, standing at 38.1%, while 38.0% of properties were mortgaged and 23.9% were occupied by renters. The median monthly mortgage payment of $1,300 was below the Adelaide metro average of $1,562, and the median weekly rent of $328 compared to $320 in the broader metro area.
Nationally, mortgage costs in the suburb of Port Willunga are lower than the Australian average of $1,863, and rents are below the national median of $375.
Frequently Asked Questions - Housing
Port Willunga counted 712 households at the 2021 Census, averaging 2.3 people each. 25% are couples with children, against 23% couples without children. 30% 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
Families make up 66.4% of households in the suburb of Port Willunga, consisting of 25.0% couples with children, 23.3% couples without children, and 16.6% single parents. The remaining 33.6% are non-family households, which include lone occupiers at 30.1% and shared houses at 3.5%. The median household size of 2.3 people is slightly below the Greater Adelaide average of 2.5.
Frequently Asked Questions - Households
22.9% of adults in Port Willunga hold a university qualification, including 16.4% with a bachelor degree and 3.7% with postgraduate qualifications. A further 30.0% hold a vocational qualification. 1 school serves the area, with 815 enrolment places and an average ICSEA of 965 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
Attainment levels in the suburb of Port Willunga are lower than regional averages, with 22.9% of residents aged 15+ holding a university degree, compared to 30.4% nationally. This indicates room for educational expansion and skills growth. Bachelor degrees are the most common higher qualification at 16.4%, followed by postgraduate degrees at 3.7% and graduate diplomas at 2.8%. Vocational education is common, with 41.1% of residents aged 15+ holding trade credentials, consisting of advanced diplomas at 11.1% and certificates at 30.0%. Enrolment in education is strong, with 28.1% of the population participating in formal studies.
This group comprises 11.4% in primary school, 6.7% in high school, and 4.7% in tertiary courses.
Frequently Asked Questions - Education
Schools Detail
Public transport in Port Willunga reaches 14 stops on 6 routes, timetabled for about 310 services a week. The typical home sits about 180 m from its nearest stop. Households keep an average of 1.5 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 services in the suburb of Port Willunga feature 14 active stops, offering a mix of bus options. These stops are served by 6 different routes, which together provide 311 passenger trips weekly. Transit access is rated highly, with homes located an average of 184 meters from the closest stop. Given the residential character of the area, the majority of working residents travel outside the suburb, with cars remaining the primary option for 91% of commuters. Vehicle ownership stands at an average of 1.5 cars per household. A minor 11.5% of the workforce worked from home, according to the 2021 Census, which may have been influenced by pandemic measures.
Transit service frequency averages 44 runs daily across the network, translating to approximately 22 trips weekly at each individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
65.3% of residents in Port Willunga report no long-term health condition. 7.0% need daily assistance with core activities, and 49.0% hold private health cover. The standardised death rate runs at 5.0 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.
Detail
Health profiles for residents in the suburb of Port Willunga are generally positive, with mortality rates and illness patterns matching national averages. Common medical issues are typical for both younger and older cohorts, while private health insurance coverage is modest, held by approximately 49% of the population, or roughly 900 people. This is lower than the Greater Adelaide level of 52.7% and the national benchmark of 55.7%. The most prevalent health issues locally are mental health conditions and arthritis, affecting 10.6% and 9.4% of the population, respectively. Meanwhile, 65.3% of residents reported having no chronic medical conditions, compared to 67.9% across Greater Adelaide.
Working-age individuals show higher than average rates of chronic illness. Residents aged 65 and over make up 22.1% of the local population (406 people), exceeding the 19.2% average in Greater Adelaide. Older residents experience positive health outcomes, with national comparisons for seniors surpassing the general population ranking.
Frequently Asked Questions - Health
Port Willunga is largely Australian-born, at 83.9% of residents, with 2.6% speaking a language other than English at home. The largest reported ancestries are English (35.6%) and Australian (27.5%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.
Detail
The suburb of Port Willunga exhibits lower cultural diversity than average, with 83.9% of residents born in Australia, 90.8% holding citizenship, and 97.4% speaking only English at home. The primary religious affiliation is Christianity, chosen by 28.0% of the population. The most distinct variance from regional patterns is in Buddhism, which represents 1.1% of residents compared to 2.4% across Greater Adelaide. Looking at parent birthplaces, the most common ancestries in the suburb of Port Willunga are English at 35.6% (exceeding the regional average of 27.8%), Australian at 27.5%, and Scottish at 8.6%.
Minor variations in other backgrounds include Welsh representation at 1.0% (compared to 0.6% regionally), German at 6.2% (compared to 5.1%), and Serbian at 0.4% (compared to 0.4%).
Frequently Asked Questions - Diversity
The median resident of Port Willunga is 44, older than 76% of areas nationally. 21.3% 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 of 44 years in the suburb of Port Willunga is higher than the Greater Adelaide median of 39 and the Australian median of 38. Compared to Greater Adelaide, the 65 - 74 age bracket is overrepresented at 13.4% of the population, while 25 - 34 year-olds are underrepresented at 8.9%. Since the 2021 Census, the proportion of residents aged 75 to 84 has risen from 5.4% to 6.7%, while the 5 to 14 age group has decreased from 13.5% to 12.3%. Population projections for 2041 suggest changing demographics, with the cohort aged 85+ expected to grow by 50 people (137%), rising from 36 to 87.
This aging trend is prominent, with individuals aged 65+ accounting for 70% of the projected increase, while the 55 to 64 and 35 to 44 age brackets are projected to decline.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Port Willunga
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) | Jun 2026 2 months ago headline measures · May 2026 baseline |
| 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) | Aug 2026 this 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 — 17 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (1,785 at the 2021 Census → 1,838 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 (SAL41216). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.