Mawson Lakes (SA)

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Based on a study of ABS demographic updates for the surrounding region, combined with new addresses validated by Districts since the Census, the suburb of Mawson Lakes has an estimated population of 14,909 as of May 2026. This represents a growth of 1,115 people (8.1%) from the 2021 Census, which counted 13,794 people. The calculation is based on a resident population of 14,906, which Districts estimated after evaluating the June 2025 ERP data release from the ABS alongside 21 validated new addresses since the Census date. This population level translates to a density of 2,420 persons per square kilometer, placing the area in the top quartile of all Australian locations analyzed by Districts. The 8.1% growth rate in the suburb of Mawson Lakes since the 2021 census was higher than the 3.9% recorded in the SA3 area, as well as the state overall, establishing the locality as a regional growth leader. This population rise was mostly fueled by overseas migration, which accounted for approximately 80.0% of the total population gains in recent times.

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The local workforce is highly educated with strong representation in essential services, showing an unemployment rate of just 2.0% and an estimated employment expansion of 0.9% over the past year, according to Districts' aggregation of statistical area data. In March 2026, there were 9,226 working residents, with an unemployment rate 1.8% below the Greater Adelaide average of 3.8%, and a workforce participation rate that is exceptionally high at 75.8% compared to 66.6% in Greater Adelaide. Census data indicates that only 10.8% of residents worked from home, though this figure may have been influenced by Covid-19 restrictions.

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For the 2023 financial year, ATO postcode data aggregated by Districts indicates a median taxpayer income of $53,872 and an average of $61,850. These figures are below the national benchmarks and compare to a median income of $54,808 and an average of $66,852 across Greater Adelaide. Adjusting for a Wage Price Index increase of 10.17% since the 2023 financial year yields estimated figures of approximately $59,351 for the median and $68,140 for the average as of March 2026. According to the 2021 Census, household, family, and individual incomes are around the 65th percentile nationally. The largest bracket consists of 39.0% of residents earning $1,500 - 2,999 per week, representing 5,814 individuals, which aligns with the broader regional trend where fall into this category. High housing costs account for of income, but solid overall earnings keep disposable income at the nd percentile, placing the area in the th decile of the SEIFA income index.

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At the time of the latest Census, residential structures comprised 66.9% detached houses and 33.1% other dwelling types such as semi-detached homes and apartments, compared to 75.2% houses and 24.9% other dwellings across the metropolitan area of Adelaide. Home ownership rates lagged the metro average, standing at 17.9%, with the remaining properties being mortgaged (42.8%) or rented (39.3%). The median monthly mortgage payment was higher than the Adelaide metro average at $1,659, and the median weekly rent was $360, compared to metro figures of $1,562 and $320. On a national level, mortgage repayments are lower than the Australian average of $1,863, and rents are below the national figure of $375.

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Families make up 69.8% of all households, consisting of 34.3% couples with children, 24.1% couples without children, and 10.0% single parent families. The remaining 30.2% are non-family households, with single person households accounting for 23.7% and group households representing 6.6% of the total. The median household size stands at 2.6 people, which is slightly larger than the Greater Adelaide average of 2.5.

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Educational qualification levels are exceptionally high, with 38.2% of residents aged 15+ holding a university degree, compared to 17.4% in the SA3 area and 19.8% in the SA4 region. This educational profile positions the locality well for professional opportunities. Bachelor degrees are the most common qualification at 23.8%, followed by postgraduate degrees at 11.8% and graduate diplomas at 2.6%. Vocational and technical training is also common, with 28.3% of residents aged 15+ holding vocational qualifications, split between advanced diplomas (10.5%) and certificates (17.8%).

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Analysis of the public transport network shows 60 active bus and train stops operating in the area. These stops are served by 33 separate routes, which combine to offer 2,957 passenger trips each week. Transport access is rated as good, with residents living an average of 213 meters from the nearest stop. The area is primarily residential, with most workers commuting out of the suburb, and private vehicles remain the main transit method at 86%, followed by bus at 9%. Vehicle ownership averages 1.3 cars per home. A relatively low 10.8% of residents worked from home, according to the 2021 Census, which may reflect pandemic-related conditions.

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The locality displays positive health statistics based on Districts' analysis of mortality rates and the prevalence of chronic illnesses, with common conditions showing low frequency in the general population and aligning with national averages among older, high-risk cohorts, while private health insurance coverage is relatively low at approximately 51% of the population, representing about 7,672 people.

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The area shows high levels of cultural diversity, with 43.5% of the population born outside of Australia and 43.4% speaking a non-English language at home. Christianity is the most common religious affiliation, representing 36.6% of residents. The most notable difference from broader patterns is in the Other category, which represents 4.3% of the population compared to 1.8% across Greater Adelaide.

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The median age of 33 years makes the local population younger than Greater Adelaide's average of 39 and the national average of 38 years. The 25 - 34 age bracket is highly represented at 21.0% compared to Greater Adelaide, while the 75 - 84 cohort is less common at 2.7%. The concentration of residents aged 25 - 34 is also above the national benchmark of 14.6%. Since 2021, the 25 to 34 age group has increased from 19.3% to 21.0% of the total population, while the 5 to 14 cohort has decreased from 12.5% to 11.4%. Demographic projections for indicate that the to age group will grow by people (), rising from to while the to cohort is expected to grow by ( people).

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Mawson Lakes currently has an estimated 805 children under 5 years old, comprising approximately 484 children aged 0-2 and 323 children aged 3-4. This cohort declined by an estimated 4% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 7% by 2041 (to approximately 865 children). Meanwhile the 5-12 cohort currently amounts to 1,346. Birth rates in the area have averaged 11.1 per 1,000 residents over the latest two-year period, a moderate rate (within the middle tier nationally). This rate has slowed down slightly in recent years however.