Lockleys (SA)

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According to investigations of ABS population estimates for the wider region, alongside recent addresses verified by Districts since the Census, the resident population in the suburb of Lockleys is calculated to be approximately 6,099 in May 2026. This represents a growth of 112 individuals (1.9%) compared to the 2021 Census, which counted 5,987 residents. The shift is determined from the resident count of 6,097, computed by Districts using the most recent ABS ERP figures from June 2025 and 35 additional verified new addresses since the Census. This population level translates to a density of 1,924 individuals per square kilometer, exceeding the typical ratio observed across nationwide areas analyzed by Districts. The primary driver of this population rise was international migration, which was responsible for about 89.0% of the overall population increases in recent times.

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The suburb of Lockleys features an educated workforce with solid representation in essential services, an unemployment level of only 1.2%, and an estimated employment expansion of 5.7% over the previous year, as aggregated by Districts from statistical zone statistics. In March 2026, 3,429 local residents were employed, and the unemployment rate stood 2.6% lower than the 3.8% registered across Greater Adelaide, while labor force participation was close to the Greater Adelaide level of 66.6%. Census data indicates a low proportion of 13.3% of workers conducting their duties from home, though this may have been influenced by pandemic lockdowns.

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The most recent postcode-level ATO statistics compiled by Districts for the financial year 2023 show that personal earnings in the suburb of Lockleys exceed the national average, with a median of $56,765 and an average of $70,904. In comparison, Greater Adelaide recorded a median income of $54,808 and an average of $66,852. Adjusted for a Wage Price Index increase of 10.17% since the financial year 2023, current estimates for March 2026 are approximately $62,538 for the median and $78,115 for the average. Data from the 2021 Census shows that household, family, and individual earnings in the suburb of Lockleys are generally situated around the 60th percentile across the country. The dominant earning bracket is $1,500 - 2,999, containing 30.0% of the population (1,829 individuals), which matches the surrounding region where this category accounts for of residents. Once housing expenses are paid, residents keep of their income, showing strong financial capacity, and the area is positioned in the th decile of the national SEIFA income rankings.

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At the time of the most recent Census, the mix of housing types in the suburb of Lockleys consisted of 80.3% separate houses and 19.7% alternative housing options, such as duplexes, townhouses, and flats, compared to 75.2% separate houses and 24.9% other dwellings in metropolitan Adelaide. The level of home ownership in the suburb of Lockleys, at 43.2%, was higher than the Adelaide metropolitan rate, with the remaining houses being purchased under a mortgage (35.2%) or leased by tenants (21.6%). The median monthly home loan payment in this locality stood at $2,000, which was above the Adelaide metropolitan average of $1,562, while the median weekly rental cost was $350, compared to $320 across metropolitan Adelaide. On a national level, home loan payments in the suburb of Lockleys are higher than the Australian average of $1,863, whereas rental costs are below the national median of $375.

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Families represent the majority of households in the suburb of Lockleys at 69.4%, which is split between couples with children at 34.0%, couples without children at 25.8%, and single parent households at 8.9%. Non-family living arrangements account for the remaining 30.6% of households, with single-person households representing 27.8% and group households making up 2.5% of the total. The median size of a household is 2.5 people, which is identical to the average for Greater Adelaide.

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The educational profile of the suburb of Lockleys is distinct within the region, as the university qualification rate of 32.2% among residents aged 15 and over is higher than the South Australian average of 25.7% and the Greater Adelaide rate of 28.9%. Among these qualifications, bachelor degrees are the most common at 22.1%, followed by postgraduate degrees at 6.2% and graduate diplomas at 3.9%. Vocational and technical training is also common, with 30.2% of residents aged 15 and over holding vocational qualifications, split between advanced diplomas at 11.2% and certificates at 19.0%.

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Analysis of transit options shows 26 active public transport stops within the suburb of Lockleys, consisting of bus services. These stops are served by 23 distinct routes that provide a total of 1,504 passenger services each week. Access to transit is rated as good, with residents living an average of 228 meters from the nearest stop. As the suburb of Lockleys is mainly residential, most workers commute out of the area, with private vehicles remaining the primary choice at 89%, and bus services carrying 6% of commuters. Average motor vehicle ownership stands at 1.4 cars per household. A relatively low proportion of 13.3% of workers perform their jobs from home, according to the 2021 Census, which may reflect pandemic-era arrangements.

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Health outcomes in the suburb of Lockleys are higher than average, based on Districts' evaluation of mortality data and the occurrence of chronic illnesses. The presence of common medical conditions is generally low among the population, although it is higher than the national average within older, vulnerable age groups. The rate of private medical insurance is elevated, with approximately 55% of residents (~3,355 people) holding coverage, compared to 52.7% across Greater Adelaide.

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The suburb of Lockleys displays a higher level of cultural diversity than most comparable locations, with 23.5% of residents born outside Australia and 22.5% using a language other than English at home. Christianity is the dominant religion, practiced by 62.3% of the population in the suburb of Lockleys, compared to 42.4% throughout Greater Adelaide.

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The median age of 44 years in the suburb of Lockleys is higher than the Greater Adelaide average of 39, and also exceeds the national median of 38. Compared to the wider Adelaide area, the cohort aged 85 and over is overrepresented at 5.4%, while the 25 to 34 age bracket is underrepresented at 11.4%. Between the 2021 Census and the current estimates, the 25 to 34 age group grew from 10.7% to 11.4% of the population, whereas the 55 to 64 bracket fell from 13.1% to 12.0%. Long-term forecasts for 2041 suggest changes to the demographics of the suburb of Lockleys, with the 75 to 84 cohort projected to increase by 252 people () from to . This trend towards an older population is highlighted by the fact that residents aged and over represent of the total projected growth, while the to age group is projected to experience no growth, remaining at a change of (representing no new children).

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Lockleys currently has an estimated 317 children under 5 years old, comprising approximately 198 children aged 0-2 and 131 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 0% by 2041 (to approximately 318 children). Meanwhile the 5-12 cohort currently amounts to 504. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.