Glenalta

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

Based on ABS population updates for the broader area and new addresses validated by AreaSearch, the population of Glenalta is estimated at around 2,131 as of Feb 2026. This reflects an increase of 92 people since the 2021 Census, which reported a population of 2,039 people. The change is inferred from the resident population of 2,120, estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2024 and address validation since the Census date. This level of population equates to a density ratio of 1,790 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Over the past decade, Glenalta has demonstrated resilient growth patterns with a compound annual growth rate of 1.4%, outpacing the SA3 area. Population growth for the suburb was primarily driven by overseas migration that contributed approximately 55% 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, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, the SA State Government's Regional/LGA projections by age category are adopted, released in 2023 and based on 2021 data, with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Moving forward with demographic trends, a population increase just below the median of Australian statistical areas is expected for Glenalta, with the suburb expected to increase by 281 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 14.9% in total over the 17 years.

Residential development activity is lower than average in Glenalta according to AreaSearch's national comparison of local real estate markets

AreaSearch analysis of ABS building approval numbers indicates Glenalta has received around 2 dwelling approvals per year on average over the past 5 financial years, totalling approximately 14 homes. No approvals have been recorded so far in FY-26. This results in an estimated 12.1 people moving to the area annually for each dwelling built between FY-21 and FY-25, indicating supply lagging demand.

New homes are being constructed at an average value of $557,000, targeting the premium segment with upmarket properties. Compared to Greater Adelaide, Glenalta shows significantly reduced construction activity, 61.0% below the regional average per person. This scarcity typically strengthens demand and prices for existing properties. Building activity has accelerated in recent years but remains lower than national levels, suggesting market maturity and possible development constraints. Recent activity consists solely of standalone homes, preserving Glenalta's suburban nature with detached housing attracting space-seeking buyers.

With around 614 people per approval, the area shows signs of maturity and established status. Future projections estimate Glenalta to add approximately 318 residents by 2041, potentially intensifying buyer competition and underpinning price growth if current construction levels persist.

Glenalta has limited levels of nearby infrastructure activity, ranking in the 13thth percentile nationally

No changes can significantly affect a region's performance like alterations to its local infrastructure, major projects, and planning initiatives. AreaSearch has identified zero projects expected to impact this area. Notable projects include Adelaide Public Transport Capacity and Access, Adelaide's Inner And Outer Ring Route Capacity Improvements, SA Water Capital Work Delivery Contracts, and North South Corridor, with the following list detailing those most relevant.

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AreaSearch analysis of employment trends sees Glenalta performing better than 90% of local markets assessed across Australia

Glenalta's workforce is highly educated with prominent professional services. Its unemployment rate was 1.1% in the past year, showing an estimated growth of 3.6%. As of September 2025, 1,186 residents were employed at a rate of 2.9% below Greater Adelaide's 3.9%, with workforce participation at 69.8%.

Eighteen point one percent of residents worked from home, potentially impacted by Covid-19 lockdowns. Employment is concentrated in health care & social assistance, education & training, and professional & technical services, notably with a strong specialization in education & training at 1.6 times the regional level. Retail trade has limited presence at 6.1% compared to 10.0% regionally. The area offers limited local employment opportunities as indicated by Census data.

Between September 2024 and September 2025, employment levels increased by 3.6%, labour force by 3.4%, reducing the unemployment rate by 0.2 percentage points. In comparison, Greater Adelaide saw employment grow by 3.0% and labour force expand by 2.9%, with a decrease in unemployment of 0.1 percentage points. National employment forecasts from May-25 project growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Glenalta's employment mix suggests local employment should increase by 7.2% over five years and 14.7% over ten years, though this is a simple weighting extrapolation for illustrative purposes and does not consider localized population projections.

Income analysis reveals strong economic positioning, with the area outperforming 60% of locations assessed nationally by AreaSearch

According to AreaSearch's aggregation of ATO data released for financial year ended June 2023, Glenalta suburb had a median income among taxpayers of $59,145 and an average level of $73,791. These figures are above the national averages of $54,808 and $66,852 respectively for Greater Adelaide. Based on Wage Price Index growth of 8.8% since June 2023, estimated median income is approximately $64,350 and average income is around $80,285 as of September 2025. Census data from 2021 shows Glenalta's household, family, and personal incomes are at the 67th percentile nationally. Income distribution reveals that 31.9% of residents (679 individuals) fall within the $1,500 - $2,999 income range, similar to the broader area where this cohort represents 31.8%. After housing costs, residents retain 87.6% of their income, indicating strong purchasing power. The area's SEIFA income ranking places it in the 8th decile.

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

Glenalta's dwelling structure, as per the latest Census, consisted of 95.1% houses and 4.8% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Adelaide metro's 75.2% houses and 24.9% other dwellings. Home ownership in Glenalta stood at 40.7%, with mortgaged dwellings at 50.9% and rented ones at 8.3%. The median monthly mortgage repayment was $1,811, higher than Adelaide metro's average of $1,562. The median weekly rent in Glenalta was $380, compared to Adelaide metro's $320. Nationally, Glenalta's mortgage repayments were lower than the Australian average of $1,863, while rents exceeded the national figure of $375.

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

Family households constitute 77.1% of all households, including 36.0% couples with children, 30.3% couples without children, and 9.3% single parent families. Non-family households comprise the remaining 22.9%, with lone person households at 20.3% and group households making up 2.2%. The median household size is 2.6 people, larger than the Greater Adelaide average of 2.5.

Glenalta demonstrates exceptional educational outcomes, ranking among the top 5% of areas nationally based on AreaSearch's comprehensive analysis of qualification and performance metrics

Glenalta's educational attainment is notably higher than broader averages. Among residents aged 15+, 44.3% have university qualifications compared to 25.7% in South Australia (SA) and 28.1% in the SA4 region. University graduates comprise 28.8%, postgraduate qualifications holders are at 9.5%, and graduate diplomas holders are at 6.0%. Vocational credentials are held by 29.5% of residents aged 15+, with advanced diplomas at 12.4% and certificates at 17.1%.

Educational participation is high, with 29.9% currently enrolled in formal education: primary education (11.2%), secondary education (7.3%), and tertiary education (6.6%).

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

Transport analysis shows 25 active public transport stops in Glenalta. These are served by 14 different bus routes, offering a total of 201 weekly passenger trips. Transport accessibility is rated excellent, with residents typically located 155 meters from the nearest stop. Most residents commute outward due to its residential nature. Cars remain the primary mode of transport at 87%. Vehicle ownership averages 1.6 per dwelling, above the regional average.

According to the 2021 Census, 18.1% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 28 trips per day across all routes, equating to approximately 8 weekly trips per individual stop.

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

Glenalta shows superior health outcomes, as evaluated by AreaSearch through mortality rates and chronic condition prevalence. Both younger and older age groups exhibit low prevalence of common health conditions.

Private health cover is prevalent at approximately 56% (~1,196 people), higher than Greater Adelaide's 52.7%. Mental health issues and arthritis are the most common medical conditions, affecting 8.7% and 8.3% respectively. 66.1% report no medical ailments, compared to 67.9% in Greater Adelaide. Working-age population health outcomes are generally typical. Glenalta has 23.3% of residents aged 65 and over (496 people), higher than Greater Adelaide's 19.3%. Senior health outcomes rank nationally in line with the general population.

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

Glenalta, surveyed in June 2016, had a population with 80.1% born in Australia, 94.2% being citizens, and 93.6% speaking English only at home. Christianity was the predominant religion, accounting for 39.9%. Judaism, however, was underrepresented at 0% compared to Greater Adelaide's 0.1%.

The top ancestry groups were English (35.1%, regional average: 27.8%), Australian (25.1%), and Scottish (8.9%). Notable deviations included Welsh (Glenalta: 1.2%, regional: 0.6%), Russian (Glenalta: 0.6%, regional: 0.3%), and German (Glenalta: 6.0%, regional: 5.1%).

Glenalta's median age exceeds the national pattern

Glenalta has a median age of 42, which is slightly higher than Greater Adelaide's figure of 39 and significantly exceeds the national average of 38. The 75-84 age group constitutes 10.3% of Glenalta's population, compared to Greater Adelaide, while the 25-34 cohort makes up 7.9%. According to the 2021 Census, the 15-24 age group has increased from 10.8% to 12.1%, and the 5-14 age group has decreased from 13.9% to 12.8%. By 2041, demographic modeling indicates Glenalta's age profile will change significantly. The 85+ group is projected to grow by 126%, reaching 154 people from the current 68. Meanwhile, the number of people in the 65-74 age range is expected to decrease.