Port Noarlunga South

Population growth drivers in Port Noarlunga South are strong compared to national averages based on AreaSearch's ranking of recent, and medium to long-term trends

The population of the suburb of Port Noarlunga South was estimated to be around 3,333 as of February 2026. This figure reflects an increase of 275 people since the 2021 Census, which reported a population of 3,058 people. The change is inferred from the resident population of 3,201 estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2024, along with an additional 10 validated new addresses since the Census date. This level of population equates to a density ratio of 1,041 persons per square kilometer. Port Noarlunga South's growth rate of 9.0% since the 2021 census exceeded that of the SA3 area (6.4%) and the SA4 region, marking it as a growth leader in the region. Overseas migration contributed approximately 41.0% of overall population gains during recent periods, although all drivers including natural growth and interstate migration were positive factors.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted, based on 2021 data and released in 2023, with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Anticipating future population dynamics, an above median population growth is projected for the area, with an expected expansion by 526 persons to 2041 based on aggregated SA2-level projections, reflecting a gain of 13.7% in total over the 17 years.

Recent residential development output has been above average within Port Noarlunga South when compared nationally

AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, shows Port Noarlunga South has seen approximately 28 new homes approved annually. Between financial years FY-21 and FY-25, around 143 homes were approved, with a further 14 approved in FY-26 to date. Over the past five financial years, an average of 2.1 people have moved to the area per new home constructed, reflecting strong demand that supports property values.

New homes are being built at an average expected construction cost value of $380,000, indicating a focus on the premium segment with upmarket properties. In FY-26, $237,000 in commercial approvals have been registered, demonstrating the area's residential nature. Compared to Greater Adelaide, Port Noarlunga South has 90.0% more construction activity per person as of now. New development consists of 88.0% detached dwellings and 12.0% townhouses or apartments, maintaining the area's suburban identity with a concentration of family homes suited for buyers seeking space.

With around 135 people per dwelling approval, Port Noarlunga South exhibits characteristics of a growth area. According to AreaSearch's latest quarterly estimate, the population is forecasted to grow by 456 residents through to 2041. At current development rates, new housing supply should comfortably meet demand, providing favourable conditions for buyers and potentially supporting growth beyond current population projections.

Port Noarlunga South has limited levels of nearby infrastructure activity, ranking in the 16thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified three projects likely affecting this region: Sunset Residential Development, Fleurieu Connections - Main South Road Duplication (commencing July 2021), Seaford Rail Extension (expected completion in 2026), and Main South Road Duplication Stage 1 - Aldinga Project (scheduled for completion by June 2024).

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AreaSearch analysis places Port Noarlunga South well above average for employment performance across multiple indicators

Port Noarlunga South has a skilled workforce with essential services sectors well represented. The unemployment rate was 3.2% in the past year, with an estimated employment growth of 4.0%. As of September 2025, 1,811 residents were employed, and the unemployment rate was 0.8% below Greater Adelaide's rate of 3.9%.

Workforce participation was 70.7%, compared to Greater Adelaide's 66.4%. Only 10.6% of residents worked from home based on Census responses. Employment is concentrated in health care & social assistance, construction, and retail trade. The area specializes in construction employment with a share 1.6 times the regional level.

Conversely, professional & technical services show lower representation at 5.4%. Local employment opportunities appear limited as indicated by the working population vs resident population count. Over the year to September 2025, employment increased by 4.0% while labour force increased by 4.0%, leaving unemployment flat. In contrast, Greater Adelaide experienced employment growth of 3.0% and labour force growth of 2.9%. Jobs and Skills Australia's national employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Port Noarlunga South's employment mix suggests local employment should increase by 6.7% over five years and 13.8% over ten years, though this is a simple weighting extrapolation for illustrative purposes only.

Income levels sit below national averages according to AreaSearch assessment

The suburb of Port Noarlunga South had an income level below the national average according to ATO data aggregated by AreaSearch for the financial year 2023. The median income among taxpayers in Port Noarlunga South was $53,317 and the average income stood at $60,215. In comparison, Greater Adelaide's figures were $54,808 and $66,852 respectively. Based on Wage Price Index growth of 8.8% since financial year 2023, current estimates would be approximately $58,009 (median) and $65,514 (average) as of September 2025. According to the 2021 Census figures, household, family and personal incomes in Port Noarlunga South ranked modestly, between the 37th and 46th percentiles. The largest income bracket comprised 34.9% earning $1,500 - $2,999 weekly (1,163 residents), similar to the broader area where this cohort represented 31.8%. After housing costs, 85.0% of income remained for other expenses and the area's SEIFA income ranking placed it in the 4th decile.

Port Noarlunga South is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure in Port Noarlunga South, as per the latest Census, consisted of 91.9% houses and 8.1% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Adelaide metro's 75.2% houses and 24.9% other dwellings. Home ownership in Port Noarlunga South was higher at 34.3%, with the rest being mortgaged (42.6%) or rented (23.1%). The median monthly mortgage repayment was $1,517, lower than Adelaide metro's average of $1,562. Median weekly rent in Port Noarlunga South was $350, compared to Adelaide metro's $320. Nationally, mortgage repayments were significantly lower at $1,863, and rents were less at $375.

Port Noarlunga South has a typical household mix, with a fairly typical median household size

Family households constitute 73.9% of all households, including 29.9% couples with children, 29.5% couples without children, and 12.7% single parent families. Non-family households account for the remaining 26.1%, with lone person households at 23.4% and group households comprising 3.0%. The median household size is 2.5 people, aligning with the Greater Adelaide average.

Educational outcomes in Port Noarlunga South fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

The area's university qualification rate is 18.9%, significantly lower than Australia's average of 30.4%. This discrepancy presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are the most common at 13.2%, followed by postgraduate qualifications (3.3%) and graduate diplomas (2.4%). Vocational credentials are prominent, with 44.0% of residents aged 15+ holding them, including advanced diplomas (10.5%) and certificates (33.5%).

Educational participation is high at 28.0%, comprising 10.8% in primary education, 6.6% in secondary education, and 4.5% in tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Port Noarlunga South has 20 active public transport stops, all serving buses. These stops are covered by 14 routes, providing a total of 627 weekly passenger trips. The area's transport accessibility is rated excellent, with residents on average 171 meters from the nearest stop. Most residents commute outward daily. Car use dominates at 90%, while train use stands at 6%. Vehicle ownership averages 1.6 per dwelling, higher than the regional norm.

Only 10.6% of residents work from home (2021 Census data). Service frequency across all routes averages 89 trips per day, translating to around 31 weekly trips per stop.

Port Noarlunga South's residents are healthier than average in comparison to broader Australia with a fairly standard level of common health conditions seen across both young and old age cohorts

Health data for Port Noarlunga South shows positive outcomes overall.

Mortality rates and health conditions are similar to national benchmarks. Common health conditions are seen across all age groups. Private health cover is relatively low at approximately 51% of the total population (~1,693 people). The most common medical conditions are asthma (9.1%) and arthritis (9.0%). A majority, 66.3%, report no medical ailments compared to 67.9% in Greater Adelaide. Working-age residents have typical health outcomes. There are 19.5% of residents aged 65 and over (649 people). Health outcomes among seniors are above average, aligning with national rankings for the general population.

Port Noarlunga South ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Port Noarlunga South showed lower cultural diversity, with 79.6% born in Australia, 91.0% being citizens, and 95.1% speaking English only at home. Christianity was the predominant religion, comprising 33.3%. Judaism's representation was notably under average, at 0.0% compared to Greater Adelaide's 0.1%.

Top ancestry groups were English (35.3%, regional avg: 27.8%), Australian (28.2%, regional avg: 22.8%), and Scottish (8.2%). Dutch (2.5%, regional avg: 1.2%), Welsh (0.8%, regional avg: 0.6%), and German (5.6%, regional avg: 5.1%) groups were notably overrepresented.

Port Noarlunga South's population aligns closely with national norms in age terms

Port Noarlunga South's median age is 39, matching Greater Adelaide's average of 39 and closely aligned with Australia's median of 38. Compared to Greater Adelaide, the 65-74 cohort is significantly higher (11.6% locally) while the 25-34 group is lower (13.0%). Post-2021 Census, the 15-24 age group rose from 10.2% to 11.6%, whereas the 5-14 cohort decreased from 12.5% to 11.2%. Future demographic projections indicate Port Noarlunga South's age profile will change notably by 2041, with the 45-54 cohort expected to grow by 26%, adding 114 residents to reach 554. The 65-74 group is projected to grow by 2%, adding only 7 residents.