Aldinga Beach

An assessment of population growth drivers in Aldinga Beach reveals an overall ranking slightly below national averages considering recent, and medium term trends

As of November 2025, the estimated population of Aldinga Beach is around 11,267. This figure reflects a growth of 600 people since the 2021 Census, which recorded a population of 10,667. AreaSearch's resident population estimate for June 2024 was 11,198, with an additional 170 validated new addresses contributing to the current total. This results in a population density ratio of 824 persons per square kilometer. Aldinga Beach's growth rate of 5.6% since the 2021 Census exceeds that of its SA3 area (4.9%) and SA4 region, indicating it as a growth leader. Overseas migration accounted for approximately 50.0% of overall population gains during recent periods, although all drivers contributed positively.

AreaSearch uses 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 are adopted, adjusted using weighted aggregation methods. Future population trends suggest an increase just below the median for statistical areas analysed by AreaSearch, with Aldinga Beach expected to grow by 991 persons to reach a total of 12,258 by 2041, reflecting an overall increase of 8.6% over 17 years.

AreaSearch assessment of residential approval activity sees Aldinga Beach among the top 30% of areas assessed nationwide

AreaSearch analysis of ABS building approval numbers shows Aldinga Beach averaged approximately 83 new dwelling approvals per year over the past five financial years, totalling an estimated 416 homes. As of FY-26, 26 approvals have been recorded. Based on an average of 1.2 new residents per year per dwelling constructed between FY-21 and FY-25, supply and demand appear balanced, with stable market conditions. The average construction value for new homes is $445,000.

This financial year has seen $110.3 million in commercial approvals, indicating high levels of local commercial activity. Compared to Greater Adelaide, Aldinga Beach records 56.0% more construction activity per person. New building activity comprises 87.0% detached houses and 13.0% attached dwellings, maintaining the area's traditional low density character focused on family homes. With around 138 people per dwelling approval, Aldinga Beach is considered a low density area.

AreaSearch's latest quarterly estimate projects Aldinga Beach to add 969 residents by 2041. At current development rates, new housing supply should comfortably meet demand, potentially supporting growth beyond current population projections.

Aldinga Beach has moderate levels of nearby infrastructure activity, ranking in the 42ndth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified seven projects likely to affect the region. Notable ones include Aldinga Master Planned Community by Villawood Properties, Main South Road Duplication Project (Stage 2) from Aldinga to Sellicks Beach, Aldinga Sports Park Master Plan Redevelopment, and Aldinga - A New Community. The following list details those most relevant.

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

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AreaSearch analysis reveals Aldinga Beach recording weaker employment conditions than most comparable areas nationwide

Aldinga Beach has a diverse workforce with both white and blue collar jobs. The unemployment rate was 5.4% as of an unspecified past year.

Employment growth over the previous year was estimated at 2.9%. As of June 2025, 5,399 residents were employed, with an unemployment rate of 6.4%, which is 1.4% higher than Greater Adelaide's rate of 4.0%. Workforce participation in Aldinga Beach was 59.3%, lower than Greater Adelaide's 61.7%. Key employment sectors include health care & social assistance, construction, and retail trade.

Construction stands out with an employment share 1.4 times the regional level. However, professional & technical services employ only 4.1% of local workers, below Greater Adelaide's 7.3%. Over the year to June 2025, employment increased by 2.9%, while labour force grew by 2.7%, reducing unemployment by 0.2 percentage points. In contrast, Greater Adelaide saw employment and labour force grow by 2.1% each, with a marginal rise in unemployment. Jobs and Skills Australia's national employment forecasts from Sep-22 project overall growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Aldinga Beach's employment mix suggests local employment should increase by 6.3% over five years and 13.2% over ten years, though this is a simple extrapolation for illustrative purposes only.

Income figures position the area below 75% of locations analysed nationally by AreaSearch

Aldinga Beach's median income among taxpayers in financial year 2022 was $45,624. The average income stood at $53,005 during the same period. These figures are lower than those for Greater Adelaide, which had a median income of $52,592 and an average income of $64,886 in 2022. Based on Wage Price Index growth of 12.83% since financial year 2022, estimated incomes as of September 2025 would be approximately $51,478 (median) and $59,806 (average). According to the 2021 Census, household, family, and personal incomes in Aldinga Beach all fall between the 20th and 20th percentiles nationally. Income analysis shows that the largest segment comprises 31.7% earning $1,500 - $2,999 weekly (3,571 residents), which is consistent with broader trends across the metropolitan region showing 31.8% in the same category. Housing affordability pressures are severe in Aldinga Beach, with only 81.9% of income remaining after housing costs, ranking at the 18th percentile nationally.

Aldinga Beach is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

The dwelling structure in Aldinga Beach, as per the latest Census, consisted of 91.3% houses and 8.8% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Adelaide metro had 89.2% houses and 10.7% other dwellings. Home ownership in Aldinga Beach was at 27.2%, with the rest being mortgaged (44.1%) or rented (28.7%). The median monthly mortgage repayment was $1,408, below Adelaide metro's average of $1,452. The median weekly rent figure was $320, compared to Adelaide metro's $314. Nationally, Aldinga Beach's mortgage repayments were significantly lower than the Australian average of $1,863, while rents were substantially below the national figure of $375.

Aldinga Beach has a typical household mix, with a fairly typical median household size

Family households constitute 71.8% of all households, including 28.2% couples with children, 26.6% couples without children, and 16.1% single parent families. Non-family households comprise the remaining 28.2%, with lone person households at 25.4% and group households making up 2.7% of the total. The median household size is 2.5 people, which aligns with the Greater Adelaide average.

Educational outcomes in Aldinga Beach fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

The area's university qualification rate is 15.4%, significantly lower than the Australian average of 30.4%. This presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are most common at 10.6%, followed by postgraduate qualifications (2.6%) and graduate diplomas (2.2%). Vocational credentials are prominent, with 43.4% of residents aged 15+ holding such qualifications - advanced diplomas at 10.1% and certificates at 33.3%.

Educational participation is high, with 29.7% of residents currently enrolled in formal education. This includes 12.6% in primary education, 8.2% in secondary education, and 3.1% pursuing tertiary education. The area has educational provision including Southern Vales Christian College - Aldinga Campus and Aldinga Beach Primary School, serving a total of 387 students. It demonstrates typical Australian school conditions (ICSEA: 958) with balanced educational opportunities. The educational mix includes one primary and one K-12 school. Local school capacity is limited at 3.4 places per 100 residents compared to the regional average of 13.6, leading many families to travel for schooling. Note: where schools show 'n/a' for enrolments, please refer to the parent campus.

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

The analysis of public transport in Aldinga Beach shows that there are 62 active transport stops currently operating. These stops serve a mix of bus routes, with a total of 10 individual routes providing service to the area. Together, these routes facilitate 561 weekly passenger trips.

The accessibility of transport in Aldinga Beach is rated as good, with residents typically residing approximately 206 meters away from their nearest transport stop. On average, service frequency across all routes amounts to 80 trips per day, which translates to roughly 9 weekly trips per individual stop.

Health performance in Aldinga Beach is well below average with prevalence of common health conditions notable across both younger and older age cohorts

Health data indicates significant health challenges in Aldinga Beach, with common health conditions prevalent across both younger and older age groups. Private health cover is low, at approximately 48% of the total population (~5,407 people), compared to the national average of 55.3%.

Mental health issues and arthritis are the most common medical conditions, affecting 10.3 and 9.5% of residents respectively. A higher proportion, 63.5%, claim to be completely clear of medical ailments than in Greater Adelaide (62.9%). The area has a lower percentage of seniors aged 65 and over, at 19.7% (2,219 people), compared to Greater Adelaide's 21.0%. Seniors' health outcomes present challenges similar to those of the general population.

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

Aldinga Beach had a cultural diversity index below average, with 79.3% of its population born in Australia, 90.3% being citizens, and 95.7% speaking English only at home as their primary language. Christianity was the predominant religion in Aldinga Beach, accounting for 31.6% of its population. However, Judaism showed an overrepresentation with 0.1%, compared to the regional average of 0.1%.

The top three ancestry groups based on parents' country of birth were English at 37.9%, Australian at 27.5%, and Scottish at 7.9%. Notably, Dutch (1.8% vs 1.7%), German (5.0% vs 5.4%), and Welsh (0.6% vs 0.8%) ethnic groups showed higher representation in Aldinga Beach compared to Greater Adelaide.

Aldinga Beach's population is slightly older than the national pattern

Aldinga Beach's median age is 39 years, aligning with Greater Adelaide's average of 39 and closely matching Australia's median of 38. Compared to Greater Adelaide, Aldinga Beach has a notably higher percentage of the 5-14 cohort (13.9% locally) and a lower percentage of 25-34 year-olds (11.0%). Post-2021 Census, the 75-84 age group increased from 5.9% to 7.3%, while the 5-14 cohort decreased from 15.1% to 13.9%. By 2041, demographic modeling suggests Aldinga Beach's age profile will significantly shift. The 85+ cohort is projected to grow by 152%, adding 393 residents to reach 653. Residents aged 65 and older are expected to represent 75% of the population growth. Conversely, population declines are anticipated for the 35-44 and 5-14 age cohorts.