Aldgate - Stirling
Statistical Area - sa2

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

As of Aug 2025, Aldgate - Stirling's population is around 18,886. This reflects an increase of 678 people since the 2021 Census, which reported a population of 18,208. The change is inferred from ABS estimates: 18,843 in June 2024 and an additional 19 validated new addresses since the Census date. This results in a density ratio of 161 persons per square kilometer. Population growth was primarily driven by overseas migration (70.5% of overall gains).

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered and years post-2032, State Government's Regional/LGA projections by age category are adopted, based on 2021 data and adjusted using weighted aggregation from LGA to SA2 levels. By 2041, Aldgate - Stirling is expected to grow by 1,356 persons, a gain of 7.0% over the 17 years.

Residential development activity is slightly higher than average within Aldgate - Stirling when compared nationally

Aldgate - Stirling has seen approximately 40 dwelling approvals annually. The Australian Bureau of Statistics provides this data on a financial year basis, totalling 203 approvals from FY-21 to FY-25, with 8 approvals so far in FY-26. An average of 3.3 new residents per year has been arriving for each dwelling constructed over the past five years. This indicates supply is significantly lagging demand, leading to increased buyer competition and pricing pressures.

Developers target the premium market segment, with an average construction cost of $651,000 per dwelling. In FY-26, $24.4 million in commercial approvals have been registered, suggesting balanced commercial development activity. Compared to Greater Adelaide, Aldgate - Stirling has significantly reduced construction activity, which is 79.0% below the regional average per person. This limited new construction typically reinforces demand and pricing for existing properties. The area's building activity consists solely of standalone homes, preserving its low-density nature and attracting space-seeking buyers.

There are estimated to be 447 people per dwelling approval in the area, reflecting its quiet development environment. Future projections indicate Aldgate - Stirling will add 1,313 residents by 2041. Construction is maintaining a reasonable pace with projected growth, although increased population could lead to growing buyer competition.

Aldgate - Stirling has limited levels of nearby infrastructure activity, ranking in the 15thth percentile nationally

Changes in local infrastructure significantly affect an area's performance. AreaSearch has identified four projects that may impact this region. Notable projects include South Eastern Freeway Upgrade (started 2015), Adelaide Public Transport Capacity and Access (commenced 2017), and Adelaide's Inner And Outer Ring Route Capacity Improvements (initially proposed in the late 2000s).

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

The labour market strength in Aldgate - Stirling positions it well ahead of most Australian regions

Aldgate - Stirling has an educated workforce with strong representation in professional services. Its unemployment rate was 1.8% in the past year, lower than Greater Adelaide's 4.0%.

Employment grew by 1.4% annually as of June 2025. There are 10,618 residents employed, with a participation rate of 65.9%, similar to Greater Adelaide's 61.7%. Key industries include health care & social assistance, education & training, and professional & technical services, which is particularly strong at 1.7 times the regional level. Retail trade employment is lower than average at 7.4% compared to Greater Adelaide's 10.0%.

Employment opportunities may be limited locally based on Census data analysis. Over a year ending Sep-25, SA employment grew by 1.06%, adding 9,370 jobs, with an unemployment rate of 4.5%, matching the national average. National employment forecasts from May 2025 suggest growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Aldgate - Stirling's industry mix indicates local growth could be approximately 7.0% over five years and 14.4% over ten years, though this is a simplified extrapolation for illustrative purposes only.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

Aldgate - Stirling has a median taxpayer income of $60,775 and an average of $86,026 according to the latest postcode level ATO data aggregated by AreaSearch for financial year 2022. Nationally, this is extremely high, contrasting with Greater Adelaide's median income of $52,592 and average income of $64,886. Based on Wage Price Index growth of 10.83% since financial year 2022, current estimates would be approximately $67,357 (median) and $95,343 (average) as of March 2025. According to the 2021 Census figures, household, family, and personal incomes in Aldgate - Stirling rank highly nationally, between the 78th and 83rd percentiles. Income analysis shows that the $1,500 - 2,999 bracket dominates with 29.9% of residents (5,646 people), similar to regional levels where 31.8% occupy this bracket. Aldgate - Stirling demonstrates significant affluence with 36.9% earning over $3,000 per week, supporting premium retail and service offerings. After housing costs, residents retain 88.7% of income, indicating strong purchasing power. The area's SEIFA income ranking places it in the 9th decile.

Aldgate - Stirling is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

The dwelling structure in Aldgate - Stirling, as per the latest Census, consisted of 98.1% houses and 1.8% other dwellings (semi-detached, apartments, 'other' dwellings). This is compared to Adelaide metro's 95.2% houses and 4.8% other dwellings. Home ownership in Aldgate - Stirling stood at 42.9%, with the rest either mortgaged (48.8%) or rented (8.2%). The median monthly mortgage repayment was $2,000, higher than Adelaide metro's average of $1,733 and the national average of $1,863. The median weekly rent figure in Aldgate - Stirling was $410, exceeding Adelaide metro's $350 and the national figure of $375.

Aldgate - Stirling features high concentrations of family households, with a higher-than-average median household size

Family households account for 79.8% of all households, including 39.3% couples with children, 31.7% couples without children, and 8.3% single parent families. Non-family households constitute the remaining 20.2%, with lone person households at 18.8% and group households making up 1.4%. The median household size is 2.7 people, larger than the Greater Adelaide average of 2.6.

Aldgate - Stirling shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Educational attainment in Aldgate-Stirling is notably higher than broader benchmarks. 45.9% of residents aged 15+ hold university qualifications, compared to 25.7% in South Australia and 28.9% in Greater Adelaide. Bachelor degrees are the most common at 28.9%, followed by postgraduate qualifications (11.5%) and graduate diplomas (5.5%). Vocational credentials are also prevalent, with 27.2% of residents aged 15+ holding them - advanced diplomas account for 11.1% and certificates for 16.1%.

Educational participation is high, with 30.2% of residents currently enrolled in formal education. This includes 11.4% in primary education, 8.8% in secondary education, and 5.9% pursuing tertiary education. As of 2016, there are 12 schools serving 2,776 students in Aldgate-Stirling. The area has above-average socio-educational conditions, with an ICSEA score of 1086. Educational mix includes 9 primary, 1 secondary, and 2 K-12 schools. Note that some schools may have 'n/a' for enrolments, please refer to parent campus details.

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 Aldgate - Stirling indicates that there are currently 152 active transport stops operating within the area. These stops primarily serve buses, with a total of 51 individual routes providing service. Each week, these routes facilitate approximately 1,279 passenger trips.

The accessibility of transport in the region is rated as moderate, with residents typically residing about 430 meters away from their nearest transport stop. On average, there are around 182 trips per day across all routes, which translates to roughly 8 weekly trips per individual stop.

The level of general health in Aldgate - Stirling is notably higher than the national average with both young and old age cohorts seeing low prevalence of common health conditions

Aldgate-Stirling demonstrates above-average health outcomes. Both younger and older age cohorts have a low prevalence of common health conditions. The rate of private health cover is exceptionally high at approximately 63% of the total population (11,954 people), compared to 55.2% across Greater Adelaide.

Nationally, the average is 55.3%. The most common medical conditions are asthma and arthritis, affecting 8.0% and 7.8% of residents respectively. Seventy-point-one percent declared themselves completely clear of medical ailments, compared to 68.5% across Greater Adelaide. Twenty-one-point-one percent of residents are aged 65 and over (3,983 people), higher than the 19.9% in Greater Adelaide. Health outcomes among seniors are particularly strong, performing better than the general population in health metrics.

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

Aldgate-Stirling, surveyed in June 2016, had a population with 81.8% born in Australia, 93.3% being citizens, and 94.9% speaking English only at home. Christianity was the predominant religion, comprising 37.0%. Judaism's representation stood at 0.2%, higher than Greater Adelaide's 0.1%.

The top three ancestry groups were English (33.9%), Australian (25.6%), and Scottish (8.7%). Notably, German (7.1%) was more prevalent in Aldgate-Stirling compared to the regional figure of 8.2%. Similarly, Welsh (0.9%) and Polish (1.0%) groups showed higher representation than their respective regional percentages of 0.7% and 0.8%.

Aldgate - Stirling hosts an older demographic, ranking in the top quartile nationwide

The median age in Aldgate - Stirling is 44 years, which is notably higher than Greater Adelaide's average of 39 years and also exceeds the Australian median of 38 years. Compared to the Greater Adelaide average, the 45-54 age cohort is significantly over-represented at 15.4% locally, while the 25-34 age group is under-represented at 6.7%. Between the 2021 Census and the current period, the 15 to 24 age group has increased from 11.3% to 13.1%, while the 75 to 84 cohort has risen from 5.6% to 7.1%. Conversely, the 5 to 14 age group has decreased from 14.2% to 13.2%. Population forecasts for the year 2041 indicate substantial demographic changes in Aldgate - Stirling. The 85+ age cohort is projected to increase significantly by 491 people (144%), from 339 to 831. The aging population trend is evident, with those aged 65 and above comprising 57% of the projected growth. Conversely, the 0 to 4 and 65 to 74 age cohorts are expected to experience population declines.