Osborne (SA)

An assessment of population growth drivers in Osborne reveals an overall ranking slightly below national averages considering recent, and medium term trends

As per AreaSearch's analysis of ABS population updates and new addresses validated for the suburb of Osborne (SA), the estimated population as of May 2026 is around 1,981. This figure represents an increase of 30 people since the 2021 Census, which recorded a population of 1,951. The estimation is based on AreaSearch's resident population count of 1,980 from June 2025 ABS ERP data release and five validated new addresses since the Census date. This results in a population density ratio of 1,395 persons per square kilometer, higher than the average across national locations assessed by AreaSearch. Overseas migration contributed approximately 47.0% to overall population growth during recent periods, with all drivers including interstate migration and natural growth being positive factors.

AreaSearch employs ABS/Geoscience Australia projections for each SA2 area, released in 2024 using a base year of 2022. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted with adjustments made via weighted aggregation from LGA to SA2 levels. Future population dynamics suggest a growth rate just below the median for statistical areas nationally, with an expected increase of 188 persons to 2041 based on aggregated SA2-level projections, reflecting a total increase of 9.4% over the 16-year period.

AreaSearch assessment of residential development drivers sees a low level of activity in Osborne, placing the area among the bottom 25% of areas assessed nationally

Osborne has recorded approximately two residential properties granted approval per year. Over the past five financial years, from FY-21 to FY-25, around 12 homes were approved, with another three approved so far in FY-26. On average, about two people have moved to the area for each dwelling built over these years, suggesting a balanced supply and demand dynamic that maintains stable market conditions.

The average construction cost of new homes is $479,000, indicating developers' focus on the premium market with high-end developments. This financial year has seen $7.5 million in commercial approvals, reflecting limited commercial development activity compared to Greater Adelaide, where Osborne's development activity is 86.0% below the regional average per person. This constrained new construction often reinforces demand and pricing for existing properties. Nationally, Osborne also reflects lower development activity, suggesting market maturity and possible development constraints. All new construction in Osborne has been detached dwellings, preserving its traditional suburban character with a focus on family homes appealing to those seeking space.

This trend favours detached housing more than current patterns suggest (85.0% at Census), demonstrating ongoing robust demand for family homes despite increasing density pressures. With approximately 991 people per approval, Osborne is considered a mature and established area. According to the latest AreaSearch quarterly estimate, Osborne is expected to grow by 187 residents through to 2041. If current construction levels persist, housing supply may lag population growth, potentially intensifying buyer competition and underpinning price growth.

Osborne has emerging levels of nearby infrastructure activity, ranking in the 36thth percentile nationally

Area infrastructure changes significantly influence local performance. Two AreaSearch-identified projects may impact the area: Fort Largs Redevelopment, Largs Reserve Clubrooms Redevelopment, Largs Bay Playspace and Facilities Upgrade, and Our Port. Most relevant projects are listed below.

Professional plan users can use the search below to filter and access additional projects.

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AreaSearch analysis reveals Osborne recording weaker employment conditions than most comparable areas nationwide

Osborne has a balanced workforce with representation across white and blue collar jobs. Essential services sectors are well-represented in the area, which had an unemployment rate of 7.7% as of December 2025. Employment growth over the past year was estimated at 5.9%.

The unemployment rate in Osborne is 3.9% higher than Greater Adelaide's rate of 3.8%, indicating room for improvement. Workforce participation in Osborne lags behind Greater Adelaide, with a participation rate of 60.7% compared to Greater Adelaide's 66.0%. According to Census responses, only 8.3% of residents work from home, though Covid-19 lockdown impacts should be considered. The dominant employment sectors among residents include health care & social assistance, manufacturing, and retail trade.

Osborne shows strong specialization in transport, postal & warehousing, with an employment share of 2.0 times the regional level. However, professional & technical services employ only 5.1% of local workers, below Greater Adelaide's 7.3%. The area appears to offer limited local employment opportunities, as indicated by the count of Census working population versus resident population. Over a 12-month period ending in December 2025, employment increased by 5.9%, while the labour force grew by 4.0%, causing the unemployment rate to fall by 1.6 percentage points. In contrast, Greater Adelaide saw employment rise by 4.2% and unemployment fall by 0.3 percentage points during the same period. Jobs and Skills Australia's national employment forecasts from May-25 suggest that Osborne's employment should increase by 6.2% over five years and 13.1% over ten years, based on a simple weighting extrapolation of industry-specific projections.

Income figures position the area below 75% of locations analysed nationally by AreaSearch

Osborne's latest postcode level ATO data for financial year ending June 30, 2023 shows median income at $48,449 and average income at $56,715. This is below Greater Adelaide's median income of $54,808 and average income of $66,852. By March 2026, estimates project median income to be approximately $53,376 and average income $62,483, based on a 10.17% Wage Price Index growth since June 2023. The 2021 Census data indicates Osborne's household, family, and personal incomes fall between the 19th and 22nd percentiles nationally. Income distribution shows 32.3% of locals (639 people) earning $1,500 - 2,999 per week, similar to metropolitan Adelaide at 31.8%. Housing affordability is severe, with only 82.5% of income remaining after housing costs, ranking at the 21st percentile nationally.

Osborne is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

Osborne's dwelling structures, as per the latest Census, consisted of 84.7% houses and 15.2% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Adelaide metro had 75.2% houses and 24.9% other dwellings. Home ownership in Osborne was at 27.3%, with mortgaged dwellings at 40.3% and rented ones at 32.3%. The median monthly mortgage repayment was $1,468, below Adelaide metro's average of $1,562. The median weekly rent figure in Osborne was $300, compared to Adelaide metro's $320. Nationally, Osborne's mortgage repayments were significantly lower than the Australian average of $1,863, while rents were substantially below the national figure of $375.

Osborne has a typical household mix, with a lower-than-average median household size

Family households account for 67.0% of all households, including 23.5% couples with children, 23.5% couples without children, and 17.9% single parent families. Non-family households make up the remaining 33.0%, with lone person households at 29.7% and group households comprising 3.4% of the total. The median household size is 2.3 people, which is smaller than the Greater Adelaide average of 2.5.

The educational profile of Osborne exceeds national averages, with above-average qualification levels and academic performance metrics

The area's university qualification rate is 13.3%, significantly lower than the Australian average of 30.4%. Bachelor degrees are most common at 9.6%, followed by postgraduate qualifications (2.0%) and graduate diplomas (1.7%). Vocational credentials are prevalent, with 39.2% of residents aged 15+ holding them, including advanced diplomas (8.3%) and certificates (30.9%). A substantial 24.6% of the population is actively pursuing formal education, with 9.6% in primary, 6.2% in secondary, and 2.8% in tertiary education.

A substantial 24.6% of the population actively pursues formal education. This includes 9.6% in primary education, 6.2% in secondary education, and 2.8% pursuing tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Osborne has 13 operational public transport stops offering a mix of train and bus services. These stops are served by 10 distinct routes, facilitating 491 weekly passenger trips in total. Transport accessibility is rated highly, with residents located an average of 165 meters from the nearest stop. Primarily residential, Osborne sees most commuters traveling outward. Cars remain the primary mode of transport at 90%, while train usage stands at 5%. The area has an average vehicle ownership of 1.2 per dwelling, below the regional norm.

According to the 2021 Census, only 8.3% of residents work from home, which may be influenced by COVID-19 conditions. Service frequency averages 70 trips daily across all routes, equating to approximately 37 weekly trips per individual stop.

Health performance in Osborne is a key challenge with a range of health conditions having marked impacts on both younger and older age cohorts

Osborne faces significant health challenges, as assessed by AreaSearch through mortality rates and chronic condition prevalence. A variety of health conditions impact both younger and older age groups. Private health cover is relatively low at approximately 49% (around 979 people), compared to Greater Adelaide's 52.7%.

Nationally, the average is 55.7%. The most prevalent medical conditions are arthritis (11.4%) and asthma (10.5%). About 59.2% of residents claim no medical ailments, lower than Greater Adelaide's 67.9%. Working-age individuals face notable health challenges due to high chronic condition rates. Osborne has 20.4% (404 people) aged 65 and over, higher than Greater Adelaide's 19.2%. Health outcomes among seniors present some challenges, generally in line with national rankings.

Osborne ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Osborne's population showed low cultural diversity, with 82.9% born in Australia, 91.6% being citizens, and 92.0% speaking English only at home. Christianity was the dominant religion, practiced by 42.5%. Islam, however, was overrepresented at 1.5%, compared to Greater Adelaide's 3.0%.

The top three ancestry groups were English (32.8%), Australian (26.1%), and Scottish (7.1%). Some ethnicities showed notable differences: Polish (1.5% vs regional 1.0%), Welsh (0.8% vs 0.6%), and German (5.4% vs 5.1%) were relatively more common in Osborne.

Osborne's median age exceeds the national pattern

The median age in Osborne is 41 years, which is higher than Greater Adelaide's average of 39 years and also exceeds the national average of 38 years. The age profile shows that those aged 35-44 are particularly prominent at 15.4%, while the 25-34 age group is smaller at 12.4% compared to Greater Adelaide. Between 2021 and the present, the 75-84 age group has grown from 6.4% to 7.9% of the population, and the 15-24 cohort has increased from 10.0% to 11.3%. Conversely, the 55-64 age group has declined from 13.9% to 12.6%. Looking ahead to 2041, demographic projections show significant shifts in Osborne's age structure. The 75-84 age cohort is projected to increase by 60 people (39%) from 156 to 217, while the 65-74 age group grows by a modest 1% (2 people).