Leabrook (SA)

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In the suburb of Leabrook, the local population is estimated to stand at approximately 1,550 in May 2026, according to analysis of ABS demographic updates and address registries verified by Districts. Compared to the 2021 Census count of 1,605 people, this represents a loss of 55 people (3.4%). The estimate is based on a resident count of 1,549 determined by Districts using the ABS June 2025 release of estimated resident population statistics alongside post-Census address verification. This headcount translates to a density of 2,460 persons per square kilometer, placing the suburb within the top quarter of Australian regions evaluated by Districts. Recent population gains in the area were almost exclusively driven by international migration, which acted as the sole source of growth.

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Leabrook has a highly educated workforce, with professional services showing strong representation, an unemployment rate of just 0.3%, and 2.9% in estimated employment growth over the past year, based on Districts aggregation of statistical area data. As of March 2026, 703 residents are in work while the unemployment rate is 3.5% below Greater Adelaide's rate of 3.8%, and workforce participation lags significantly (50.6% compared to Greater Adelaide's 66.6%). Based on Census responses, a moderate 18.5% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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Based on Districts processing of the latest postcode-level tax records published by the ATO for financial year 2023, taxpayers in the suburb of Leabrook recorded a median income of $57,764 and an average income of $94,608. These figures are among the highest nationwide, compared to $54,808 (median) and $66,852 (average) across Greater Adelaide. Factoring in Wage Price Index growth of 10.17% since financial year 2023, current estimates for March 2026 stand at roughly $63,639 for the median and $104,230 for the average. According to the 2021 Census, individual incomes sit in the 75th percentile ($966 weekly), while household incomes are in the 46th percentile. The statistics show that 27.4% of the population (424 individuals) have incomes between $1,500 - which is comparable to the recorded in the wider region. After accounting for housing expenditure, residents retain of their earnings, indicating substantial discretionary funds, with the local SEIFA index ranking in the th decile.

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According to the latest Census, the housing composition of Leabrook consisted of 40.5% standalone houses and 59.5% other dwelling types such as townhouses and apartments, differing from metropolitan Adelaide where houses comprise 75.2% and other options make up 24.9%. The rate of outright home ownership reached 47.8%, which is notably higher than the metropolitan Adelaide average, while the remaining homes were occupied by households with a mortgage (25.8%) or renters (26.4%). The median monthly mortgage payment of $2,140 was well above the metropolitan Adelaide average, while the median weekly rent was $308, compared to metropolitan Adelaide values of $1,562 and $320 respectively. On a national scale, mortgage obligations in the area are considerably higher than the Australian median of $1,863, whereas rental costs sit well below the countrywide median of $375.

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Families make up the majority of households at 53.9%, which includes couples with children at 20.7%, couples without children at 26.9%, and single-parent households at 4.9%. Non-family households comprise the remaining 46.1%, with single-person households representing 44.3% and shared group households making up 1.6%. The median household size of 2.0 people is smaller than the average of 2.5 recorded across Greater Adelaide.

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The level of education in Leabrook is considerably higher than regional standards, with 48.0% of residents aged 15+ holding a university degree, compared to 25.7% across SA and 28.9% throughout Greater Adelaide. This educational profile leaves the suburb well-positioned for employment in knowledge industries. Bachelor degrees are the most common qualification at 30.6%, followed by postgraduate degrees at 13.7% and graduate diplomas at 3.7%. Technical and vocational credentials are held by 19.3% of residents aged 15+, which includes advanced diplomas (10.8%) and certificates (8.5%).

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Public transport services in Leabrook include 13 active transit stops serviced by bus routes. These stops accommodate 7 distinct routes that together provide 428 passenger trips every week. Accessibility is highly rated, with residents living an average of 142 meters from the closest stop. Because the suburb is primarily residential, most workers commute outside the area. Private vehicles are the main mode of travel at 84%, followed by buses at 8% and bicycles at 6%. The average number of vehicles per household is 1.0, which is below the regional norm. Census data from 2021 shows that 18.5% of residents worked from home, which may reflect conditions during the pandemic.

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Based on Districts assessments of mortality statistics and the prevalence of long-term illnesses, health outcomes in Leabrook are below average. The occurrence of typical medical issues among the general public is average, though it rises above the national benchmark among older demographics. However, the rate of private health insurance coverage is exceptionally high, with approximately 64% of the population (996 people) covered, compared to 52.7% in Greater Adelaide and a national average of 55.7%.

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Leabrook displays higher cultural diversity than the vast majority of analyzed markets, with 26.7% of residents born outside Australia and 16.9% speaking a non-English language at home. Christianity is the dominant religious affiliation, representing 55.5% of the population. The most pronounced disproportion relative to the wider region is observed in Judaism, which accounts for 0.4% of residents compared to 0.1% across Greater Adelaide.

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The median age in Leabrook is 55 years, which is substantially higher than the Greater Adelaide median of 39 and the national median of 38. Residents aged 85 and over are highly represented at 14.2% of the local population, compared to the Greater Adelaide average, while those in the 25 - 34 bracket are underrepresented at 8.5%. The local concentration of residents aged 85 and over is also much higher than the national figure of 2.2%. Post-2021 Census data indicates that the 15 to 24 age bracket increased from 10.0% to 12.1% of the population, and the 75 to 84 cohort rose from 15.7% to 17.4%. In contrast, the 65 to group declined from to , and the to cohort fell from to . By the age structure is projected to undergo major changes, led by an increase in the + cohort (adding people) to reach from a baseline of . This aging trend is prominent, with seniors aged and over accounting for of the total projected growth, while the to cohort is expected to decrease by residents.

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Leabrook currently has an estimated 48 children under 5 years old, comprising approximately 33 children aged 0-2 and 22 children aged 3-4. This cohort declined by an estimated 14% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 2% by 2041 (to approximately 49 children). Meanwhile the 5-12 cohort currently amounts to 143. Birth rates in the area have averaged 5.3 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.