Glenside (SA)

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Based on evaluation of ABS demographic releases for the wider region and new addresses validated by Districts since the Census, the population of the suburb of Glenside is estimated to be approximately 3,981 as of May 2026. This represents a growth of 1,129 people (39.6%) from the 2021 Census, which recorded 2,852 residents. The estimate is derived from a resident population of 3,979 calculated by Districts using the June 2025 ABS ERP release and 358 additional validated new addresses since the Census. This population size results in a density of 3,554 persons per square kilometer, placing the area in the top quartile of locations nationally assessed by Districts. The 39.6% population increase in the suburb of Glenside since the 2021 Census outperformed the 5.0% rate of the SA3 region and the state average, establishing it as a local growth leader. This expansion was predominantly driven by international migration, which acted as the main contributor to population gains recently.

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The local workforce is highly educated with professional services strongly represented, an unemployment rate of just 3.6%, and estimated annual employment growth of 12.9% based on Districts statistical area data. In March 2026, 2,149 local residents were employed, and the unemployment rate was 0.2% below the Greater Adelaide rate of 3.8%. Workforce participation stands slightly below average at 64.2% compared to Greater Adelaide's 66.6%. Census data indicates that a moderate 16.6% of residents worked from home, though this may reflect the influence of Covid-19 restrictions.

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Income levels in the suburb of Glenside are well above the national average based on the latest ATO statistics compiled by Districts for financial year 2023. The median income for taxpayers in the suburb of Glenside is $45,505, and the average income is $74,531, compared to $54,808 and $66,852 respectively for Greater Adelaide. Incorporating Wage Price Index growth of 10.17% since financial year 2023, current estimates would be approximately $50,133 for median income and $82,111 for average income as of March 2026. According to the 2021 Census, household, family, and personal incomes in the suburb of Glenside rank modestly, falling between the 25th and 40th percentiles. The largest income bracket contains 30.1% of residents earning between $1,500 - 2,999 weekly ( residents), which aligns with the metropolitan average of in this category. Housing cost pressures are significant, leaving only of income remaining, placing the area in the th percentile, while the SEIFA income ranking places the suburb of Glenside in the th decile.

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Residential structures in Glenside at the last Census consisted of 29.3% houses and 70.6% semi-detached, apartments, or other dwellings, compared to Adelaide metro where houses make up 75.2% and other dwellings make up 24.9%. Home ownership in Glenside was high at 37.1%, with remaining properties mortgaged at 24.1% or rented at 38.8%. The median monthly mortgage payment was $1,842, higher than the Adelaide metro average of $1,562, while the median weekly rent was $326, compared to $320 in Adelaide metro. Nationally, mortgage payments in Glenside are lower than the Australian average of $1,863, and rents are below the national average of $375.

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Family households represent the largest group at 54.1% of all households, consisting of 22.8% couples with children, 23.5% couples without children, and 6.5% single parents. Non-family households account for the remaining 45.9%, with lone person households at 43.3% and group households at 2.8%. The median household size of 2.1 people is lower than the Greater Adelaide average of 2.5.

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Educational qualifications in Glenside are higher than average, with 48.9% of residents aged 15+ holding a university degree, compared to 25.7% in SA and 28.9% in Greater Adelaide. This educational profile positions the community well for professional services. Bachelor degrees are held by 30.1% of residents, followed by postgraduate qualifications at 14.5% and graduate diplomas at 4.3%. Vocational training is held by 21.0% of residents aged 15+, including advanced diplomas at 9.8% and certificates at 11.2%.

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Public transport options include 7 active transit stops in the suburb of Glenside, served by bus routes. These stops accommodate 14 separate routes that provide 698 weekly trips. Accessibility is strong, with residents living an average of 240 meters from the nearest stop. Because the suburb of Glenside is primarily residential, most workers commute out of the area. Private vehicles are the main transport mode at 77%, followed by buses at 13% and walking at 5%. Car ownership averages 0.8 vehicles per household, which is below the metropolitan average. At the 2021 Census, 16.6% of residents worked from home, which may be related to pandemic restrictions.

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Health indicators show favorable outcomes for Glenside residents, with mortality rates and medical conditions matching national averages. Common illnesses are relatively rare across both young and old cohorts, and the rate of private health insurance is high, covering approximately 56% of the population (~2,246 people). This exceeds the rate of 52.7% across Greater Adelaide.

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Glenside shows a high level of cultural diversity, with 37.6% of residents speaking a non-English language at home and 41.3% born outside Australia. Christianity is the main religion, followed by 40.6% of the population. The most significant religious overrepresentation is Buddhism at 5.3%, compared to 2.4% across Greater Adelaide.

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The median age of 43 in Glenside is higher than the Greater Adelaide average of 39 and the Australian average of 38. Glenside has a higher proportion of residents aged 75 - 84 (11.2%) than Greater Adelaide, but fewer aged 55 - 64 (8.7%). The proportion of residents aged 75 - 84 is also higher than the national average of 6.1%. Since the 2021 Census, the 15 to 24 age bracket grew from 11.2% to 13.6% of the population, while the 85+ bracket decreased from 7.3% to 5.5%. Looking to 2041, age structure projections show shifts, led by the 85+ cohort which is expected to grow by ( people) to reach from . The + age categories are projected to make up of total population growth, showing an aging trend, while the to age group is projected to shrink by residents.

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Glenside currently has an estimated 119 children under 5 years old, comprising approximately 85 children aged 0-2 and 56 children aged 3-4. This cohort grew by an estimated 13% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 9% by 2041 (to approximately 130 children). Meanwhile the 5-12 cohort currently amounts to 367. While growth has been positive birth rates observed in the area have been low, with approximately 4.7 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 20% of areas assessed nationally. This rate has slowed down slightly in recent years however.