Glenunga (SA)

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Based on examination of ABS population updates for the wider region, alongside new addresses validated by Districts since the Census, the population of the suburb of Glenunga is estimated to be approximately 2,183 as of May 2026. This represents a decline of 1 people (0.0%) from the 2021 Census, which recorded a population of 2,184 people. This shift is derived from the resident population of 2,171, estimated by Districts following analysis of the most recent ERP data release by the ABS (June 2025) and an additional 1 validated new addresses since the Census date. This population size corresponds to a density ratio of 2,452 persons per square kilometer, placing the locality in the upper quartile compared to national locations assessed by Districts. Population growth in the locality was chiefly driven by overseas migration, which served as virtually the sole driver of population gains during recent periods.

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The suburb of Glenunga possesses a highly educated workforce, with professional services showing strong representation, an unemployment rate of just 1.4%, and 4.2% in estimated employment growth over the past year, based on Districts aggregation of statistical area data. As of March 2026, 1,090 residents are in work while the unemployment rate is 2.4% below Greater Adelaide's rate of 3.8%, and workforce participation lags significantly (61.5% compared to Greater Adelaide's 66.6%). Based on Census responses, a moderate 15.5% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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According to Districts' aggregation of the latest postcode level ATO data released for financial year 2023, the suburb of Glenunga had a median income among taxpayers of $54,528 with the average level standing at $91,555. This is among the highest in Australia and compares to levels of $54,808 and $66,852 across Greater Adelaide respectively. Based on Wage Price Index growth of 10.17% since financial year 2023, current estimates would be approximately $60,073 (median) and $100,866 (average) as of March 2026. Census 2021 income data shows household, family and personal incomes in the suburb of Glenunga cluster around the 63rd percentile nationally. The data shows the $1,500 - 2,999 bracket dominates with 28.5% of residents (622 people), reflecting patterns seen the metropolitan region where similarly occupy this range. The district demonstrates considerable affluence with earning over per week, supporting premium retail and service offerings. After housing, of income remains for other expenses and the area's SEIFA income ranking places it in the th decile.

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Dwelling structure within the suburb of Glenunga, as evaluated at the latest Census, comprised 66.8% houses and 33.3% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Adelaide metro's 75.2% houses and 24.9% other dwellings. Meanwhile, the level of home ownership within the suburb of Glenunga was well beyond that of Adelaide metro, at 44.4%, with the remainder of dwellings either mortgaged (32.5%) or rented (23.2%). The median monthly mortgage repayment in the area was well above the Adelaide metro average at $2,400, while the median weekly rent figure was recorded at $380, compared to Adelaide metro's $1,562 and $320. Nationally, the suburb of Glenunga's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are exceeding the national figure of $375.

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Family households dominate at 73.3% of all households, comprising 37.7% couples with children, 27.6% couples without children, and 7.0% single parent families. Non-family households make up the remaining 26.7%, with lone person households at 24.8% and group households comprising 2.2% of the total. The median household size of 2.6 people is larger than the Greater Adelaide average of 2.5.

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Educational attainment in the suburb of Glenunga significantly surpasses broader benchmarks, with 51.1% of residents aged 15+ holding university qualifications compared to 25.7% in SA and 28.9% in Greater Adelaide. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 31.4%, followed by postgraduate qualifications (15.8%) and graduate diplomas (3.9%). Vocational pathways account for 19.3% of qualifications among those aged 15+ – advanced diplomas (10.4%) and certificates (8.9%).

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Public transport analysis reveals 8 active transport stops operating within the suburb of Glenunga comprising a mix of buses. These stops are serviced by 19 individual routes, collectively providing 832 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 234 meters from the nearest transport stop. As a primarily residential area, most residents commute outward - car remains the dominant mode at 84%, with 10% by bus and 2% cycling. Vehicle ownership averages 1.4 per dwelling. Some 15.5% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Health outcomes data demonstrates outstanding results across the suburb of Glenunga, based on Districts' assessment of mortality rates and chronic condition prevalence with very low prevalence of common health conditions across all age groups , and the rate of private health cover found to be exceptionally high at approximately 63% of the total population (1,377 people). This compares to 52.7% across Greater Adelaide. The national average is 55.7%.

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The suburb of Glenunga scores quite highly on cultural diversity, with 40.4% of its population born overseas and 38.2% speaking a language other than English at home. The main religion in the suburb of Glenunga was found to be Christianity, which makes up 41.2% of people in the suburb of Glenunga. However, the most apparent overrepresentation was in Judaism, which comprises 0.4% of the population, compared to 0.1% across Greater Adelaide.

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The 44-year median age in the suburb of Glenunga is notably exceeding Greater Adelaide's average of 39 similarly well above the Australian median of 38. Compared to the Greater Adelaide average, the 75 - 84 cohort is notably over-represented (10.5% locally), while 25 - 34 year-olds are under-represented (7.0%). Since the 2021 Census, the 15 to 24 age group has grown from 11.5% to 14.7% of the population, while the 75 to 84 cohort increased from 9.0% to 10.5%. Conversely, the 55 to 64 cohort has declined from 11.1% to 10.0%. Population forecasts for indicate substantial demographic changes for the suburb of Glenunga. The + age cohort is projected to grow significantly, expanding by people () from to . The aging population dynamic is clear, with those + comprising of projected growth. Conversely, the to and to cohorts are expected to experience population declines.

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Glenunga currently has an estimated 76 children under 5 years old, comprising approximately 41 children aged 0-2 and 27 children aged 3-4. This cohort declined by an estimated 5% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 5% by 2041 (to approximately 72 children). Meanwhile the 5-12 cohort currently amounts to 237. Birth rates in the area have averaged 5.7 per 1,000 residents over the latest two-year period, a low rate (among the bottom 20% of areas assessed nationally). This rate has slowed down slightly in recent years however.