Marino (SA)

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Evaluations of ABS demographic releases for the wider zone, combined with residential details confirmed by Districts post-Census, indicate that the residency count of Marino stands at roughly 2,367 as of May 2026. This represents a gain of 90 individuals (4.0%) from the 2021 Census, which documented a total of 2,277 residents. This variation is derived from a local count of 2,359, calculated by Districts using the ABS ERP release from June 2025 alongside 10 newly confirmed addresses since the Census. Such a population level translates to a density of 684 persons per square kilometer, which aligns closely with typical values observed in locations analyzed by Districts. The 4.0% post-census expansion rate for the suburb of Marino lags by 2.2 percentage points behind the SA4 region (6.2%), indicating healthy underlying growth factors. Inward movement from abroad was the main driver of growth, accounting for roughly 65.0% of the overall population rise in recent times.

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Marino features a highly skilled labor pool with strong representation in essential service industries, an unemployment rate of just 1.8%, and estimated employment growth of 5.2% over the past year, according to Districts aggregation of statistical area data. As of March 2026, 1,335 residents are employed while the unemployment rate stands at 2.1%, which is 3.8% lower than the Greater Adelaide rate, and workforce participation remains broadly comparable to Greater Adelaide's 66.6%. Census data indicate that a moderate 18.3% of residents worked from home, although the lingering effects of Covid-19 lockdowns should be taken into account.

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According to postcode-level tax data compiled by Districts for the financial year 2023, the suburb of Marino registered a median taxpayer income of $59,732 and an average of $76,184. This represents a high level nationally, compared with a median of $54,808 and an average of $66,852 across Greater Adelaide. Adjusting for a 10.17% increase in the Wage Price Index since financial year 2023, local earnings are estimated at roughly $65,807 for the median and $83,932 for the average as of March 2026. The 2021 Census shows that household, family, and individual incomes in the suburb of Marino sit around the 71st percentile of the country. The dominant income band contains 30.6% of residents (724 people) earning between $1,500 and $2,999, which aligns with regional patterns where 31.8% fall into this bracket. Local economic capacity is highlighted by the 32.7% of households with high weekly incomes above $3,000, which helps support retail spending. Residents keep 88.5% of their income after meeting housing costs, showing strong financial flexibility, and the neighborhood ranks in the 8th decile on the SEIFA index.

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The mix of homes in the suburb of Marino at the time of the last Census consisted of 97.1% detached houses and 2.8% alternative structures like townhouses and apartments, compared to Adelaide metro's breakdown of 75.2% houses and 24.9% other dwellings. Home ownership rates in the suburb of Marino stood well above the metropolitan benchmark at 46.6%, with mortgaged properties accounting for 43.2% and rental properties making up 10.2%. The median monthly mortgage payment of $1,997 was significantly higher than the Adelaide metro average of $1,562, and the median weekly rent of $400 also exceeded the regional average of $320. Nationally, local mortgage commitments are higher than the Australian median of $1,863, while rents also exceed the national benchmark of $375.

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Families make up the majority of households at 80.0%, consisting of 35.4% couples with children, 35.5% couples without children, and 8.3% single parent arrangements. The remaining 20.0% are non-family households, with single person dwellings at 17.6% and shared houses at 2.5% of the total. The median household occupancy of 2.6 people is slightly higher than the Greater Adelaide average of 2.5.

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The educational profile of the suburb of Marino is prominent within the wider region, with university degree holders representing 35.5% of residents aged 15+, which is higher than the SA average of 25.7% and the SA4 regional figure of 28.1%. Bachelor degrees are the most common at 21.1%, followed by postgraduate study at 10.6% and graduate diplomas at 3.8%. Practical and technical qualifications are also common, with 34.6% of residents aged 15+ holding a vocational qualification, consisting of advanced diplomas at 13.0% and certificates at 21.6%.

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Local transit analysis shows 7 public transport stops in service in the suburb of Marino, consisting of train stations and bus stops. These stops support 4 distinct transit routes, which together provide 437 weekly passenger journeys. Local transport connectivity is classified as good, with residents living an average of 317 meters from their nearest transit stop. Given the residential nature of the neighborhood, most workers commute to other areas, with private vehicles remaining the primary choice at 85% and train travel at 11%. Dwellings average 1.7 motor vehicles each, which is higher than the metropolitan average. Approximately 18.3% of residents work from home, based on the 2021 Census, which could reflect pandemic-related conditions.

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Assessments of medical data demonstrate positive health outcomes throughout the suburb of Marino, based on Districts evaluations of mortality statistics and chronic disease rates, which reveal a very low incidence of common health issues across all age brackets. The proportion of residents with private health insurance is high, sitting at approximately 57% of the community, which represents about 1,351 individuals, compared to 52.7% across Greater Adelaide.

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The suburb of Marino displays a high level of cultural diversity, with 9.7% of residents speaking a non-English language at home and 27.2% of the population born outside Australia. Christianity is the leading religious affiliation, representing 42.5% of the local community. The most distinct variance is seen in the Jewish population, which stands at 0.4% locally compared to 0.1% for Greater Adelaide.

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Registering a median age of 47, the suburb of Marino is older than the Greater Adelaide average of 39 and the national median of 38. The age distribution reveals a high concentration of residents in the 55 to 64 bracket (15.3%), whereas the 25 to 34 age group is small (6.3%) compared to the wider metropolitan area. Since the 2021 Census, the cohort aged 15 to 24 grew from 10.8% to 13.1% of the population, and the group aged 75 to 84 rose from 7.2% to 8.9%. In contrast, the 65 to 74 cohort fell from 14.0% to 12.7%. Looking forward to 2041, population models suggest significant transformations in the local age profile. The cohort aged 85 and over is projected to grow by 102% (58 people), rising from 56 to 115 individuals. Conversely, demographic drops are expected in the 35 to 44 and 0 to 4 age brackets.

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Marino currently has an estimated 94 children under 5 years old, comprising approximately 71 children aged 0-2 and 48 children aged 3-4. This cohort declined by an estimated 12% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 2% by 2041 (to approximately 92 children). Meanwhile the 5-12 cohort currently amounts to 230. Birth rates in the area have averaged 9.7 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.