Port Noarlunga

Population growth drivers in Port Noarlunga are above average based on AreaSearch's ranking of recent, and medium to long-term trends

As of Feb 2026, the estimated population of the suburb of Port Noarlunga is around 3,408, reflecting an increase of 163 people since the 2021 Census. This growth represents a 5.0% rise from the previous figure of 3,245 residents. The change is inferred from AreaSearch's estimation of the resident population at 3,346 in June 2024, based on examination of the latest ERP data release by the ABS, and an additional 14 validated new addresses since the Census date. This results in a density ratio of 1,363 persons per square kilometer, which is higher than the average seen across national locations assessed by AreaSearch. Over the past decade, from 2016 to 2026, Port Noarlunga has demonstrated resilient growth patterns with a compound annual growth rate of 1.2%, outpacing the SA3 area. Population growth for the suburb was primarily driven by interstate migration, contributing approximately 71.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. 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. Moving forward with demographic trends, an above median population growth is projected for statistical areas across the nation. Based on aggregated SA2-level projections, the suburb of Port Noarlunga is expected to grow by 525 persons to reach a total population of approximately 3,933 by 2041, reflecting an increase of 15.1% over the 17-year period.

Residential development activity is slightly higher than average within Port Noarlunga when compared nationally

AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, shows Port Noarlunga has experienced around 17 dwellings receiving development approval each year. Approximately 85 homes were approved over the past five financial years, between FY-21 and FY-25, with an additional 12 approved so far in FY-26. Each dwelling built over these years has resulted in an average of 2.7 new residents per year, indicating healthy demand that supports property values.

New homes are being constructed at an average expected cost value of $350,000, somewhat higher than regional norms, reflecting quality-focused development. This financial year has seen $3.7 million in commercial approvals registered, indicating limited commercial development focus. Compared to Greater Adelaide, Port Noarlunga shows comparable new home approvals per person, supporting market stability in line with regional patterns, although building activity has slowed in recent years.

Recent construction comprises 71.0% detached houses and 29.0% townhouses or apartments, maintaining the area's traditional suburban character focused on family homes appealing to those seeking space. The location has approximately 251 people per dwelling approval, indicating a low density market. According to the latest AreaSearch quarterly estimate, Port Noarlunga is expected to grow by 513 residents through to 2041. Existing development levels seem aligned with future requirements, maintaining stable market conditions without significant price pressures.

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

AreaSearch has identified three projects that could impact the area significantly due to changes in local infrastructure: the Noarlunga Hospital Mental Health Expansion project, ongoing upgrades at Colonnades Shopping Centre, and the Noarlunga Residential Development project. Additionally, the Noarlunga Master Planning Housing Project is underway.

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The employment landscape in Port Noarlunga shows performance that lags behind national averages across key labour market indicators

Port Noarlunga has a skilled workforce with essential services sectors well represented. The unemployment rate was 4.7% in the past year, with an estimated employment growth of 4.3%. As of September 2025, there were 1,804 residents employed, and the unemployment rate was 0.8% higher than Greater Adelaide's rate of 3.9%.

Workforce participation was equal to Greater Adelaide's 66.4%. According to Census responses, only 10.8% of residents worked from home. The key industries of employment were health care & social assistance, construction, and education & training. Construction had particularly notable concentration with employment levels at 1.3 times the regional average.

In contrast, professional & technical services employed just 5.0% of local workers compared to Greater Adelaide's 7.3%. Employment opportunities appeared limited locally based on Census data comparing working population to resident population. Between September 2024 and September 2025, employment increased by 4.3%, labour force grew by 3.7%, reducing the unemployment rate by 0.4 percentage points. Greater Adelaide recorded employment growth of 3.0% with a 0.1 percentage point decrease in unemployment during this period. Jobs and Skills Australia's national employment forecasts from May-25 indicate potential future demand within Port Noarlunga. These projections suggest national employment will expand by 6.6% over five years and 13.7% over ten years, with varying growth rates between industry sectors. Applying these projections to Port Noarlunga's employment mix indicates local employment should increase by 6.5% over five years and 13.6% over ten years.

Income levels sit below national averages according to AreaSearch assessment

The suburb of Port Noarlunga had a median taxpayer income of $52,382 and an average income of $60,118 in the financial year 2023, according to postcode level ATO data aggregated by AreaSearch. This is lower than national averages, with Greater Adelaide's median income being $54,808 and average income being $66,852. By September 2025, estimated median and average incomes in Port Noarlunga would be approximately $56,992 and $65,408 respectively, based on an 8.8% increase since financial year 2023. The 2021 Census showed that household, family, and personal incomes in Port Noarlunga ranked modestly, between the 25th and 31st percentiles. Income brackets indicated that 28.7% of individuals earned between $1,500 - $2,999, mirroring regional levels where 31.8% fell within this bracket. Housing affordability pressures were severe, with only 83.1% of income remaining after housing costs, ranking at the 25th percentile. The suburb's SEIFA income ranking placed it in the 4th decile.

Port Noarlunga is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

The dwelling structure in Port Noarlunga, as per the latest Census, consisted of 79.6% houses and 20.4% 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 was at 32.1%, similar to Adelaide metro, with the rest being mortgaged (40.1%) or rented (27.8%). The median monthly mortgage repayment was $1,534, lower than Adelaide metro's average of $1,562. Median weekly rent in Port Noarlunga was $320, equal to Adelaide metro's figure. Nationally, Port Noarlunga's mortgage repayments were significantly lower than the Australian average of $1,863, while rents were substantially below the national figure of $375.

Port Noarlunga features high concentrations of lone person households, with a lower-than-average median household size

Family households constitute 65.9% of all households, including 25.3% couples with children, 27.5% couples without children, and 11.8% single parent families. Non-family households account for the remaining 34.1%, with lone person households at 31.7% and group households comprising 2.3%. The median household size is 2.3 people, smaller than the Greater Adelaide average of 2.5.

Port Noarlunga shows below-average educational performance compared to national benchmarks, though pockets of achievement exist

Port Noarlunga's residents aged 15+, with 21.1% holding university degrees, trail Australia's average of 30.4%. University graduates make up the largest group at 15.0%, followed by postgraduate degree holders at 3.7%, and graduate diploma holders at 2.4%. Vocational qualifications are prominent, with 40.9% of residents aged 15+ holding such credentials, including advanced diplomas (11.6%) and certificates (29.3%). Currently, 23.9% of the population is actively pursuing formal education, with 8.0% in primary, 7.0% in secondary, and 4.1% in tertiary education.

A substantial 23.9% of the population actively pursues formal education. This includes 8.0% in primary education, 7.0% in secondary education, and 4.1% pursuing tertiary education.

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

Port Noarlunga has 18 operational public transport stops, all serving buses. These stops are covered by 14 different routes, offering a total of 627 weekly passenger trips. The area's transport accessibility is deemed good, with residents on average living 207 meters from the nearest stop. In this predominantly residential zone, most commuters travel outward, primarily by car (90%), while only 6% use the train. On average, there are 1.3 vehicles per household. According to the 2021 Census, just 10.8% of residents work from home, which may be influenced by COVID-19 conditions.

Across all routes, service frequency averages 89 trips daily, equating to roughly 34 weekly trips per individual stop.

Health performance in Port Noarlunga is well below average with a range of health conditions having marked impacts on both younger and older age cohorts

Port Noarlunga faces significant health challenges, according to AreaSearch's assessment.

Mortality rates and chronic condition prevalence are substantial, affecting both younger and older age groups. Private health cover is relatively low at approximately 51% of the total population (~1,730 people). The most prevalent medical conditions are arthritis (10.4%) and mental health issues (10.3%). Conversely, 60.9% of residents report no medical ailments compared to 67.9% in Greater Adelaide. Working-age individuals face notable health challenges due to elevated chronic condition rates. The area has a higher proportion of seniors aged 65 and over (22.0%, or 749 people), compared to Greater Adelaide's 19.3%. Health outcomes among seniors present some challenges, aligning with national rankings for the general population.

In terms of cultural diversity, Port Noarlunga records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Port Noarlunga's cultural diversity aligns with the broader area, with 72.6% born in Australia, 90.8% being citizens, and 93.9% speaking English only at home. Christianity is the predominant religion, comprising 36.7%. Judaism, at 0.1%, is proportionally equal to Greater Adelaide's average.

Ancestry-wise, English (38.3%) and Australian (22.5%) are the top groups, significantly higher than regional averages of 27.8% and 9.4% respectively. Scottish ancestry stands at 8.3%. Notably, Dutch (2.4%), Welsh (0.8%), and German (5.8%) ethnicities are overrepresented compared to regional figures of 1.2%, 0.6%, and 5.1% respectively.

Port Noarlunga hosts an older demographic, ranking in the top quartile nationwide

Port Noarlunga's median age is 45 years, which is higher than Greater Adelaide's average of 39 years and exceeds the national average of 38 years. The 55-64 age group comprises 13.9%, compared to Greater Adelaide, while the 25-34 cohort makes up 11.6%. According to post-2021 Census data, the 35 to 44 age group has grown from 11.1% to 12.7%, and the 15 to 24 cohort increased from 10.3% to 11.5%. Conversely, the 45 to 54 cohort declined from 15.2% to 13.8%. By 2041, demographic modeling projects significant changes in Port Noarlunga's age profile. The 85+ cohort is projected to grow by 80%, adding 117 residents to reach 264. Meanwhile, the 0 to 4 cohort shows minimal growth of just 8% (12 people).