Oyster Bay - Como - Jannali

An assessment of population growth drivers in Oyster Bay - Como - Jannali reveals an overall ranking slightly below national averages considering recent, and medium term trends

Oyster Bay - Como - Jannali's population is around 23,042 as of Feb 2026. This reflects an increase of 979 people since the 2021 Census, which reported a population of 22,063 people. The change is inferred from the estimated resident population of 22,773 from the ABS as of June 2024 and an additional 57 validated new addresses since the Census date. This level of population equates to a density ratio of 2,586 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by AreaSearch. Oyster Bay - Como - Jannali's growth rate of 4.4% since the 2021 census exceeded the SA3 area (3.1%) and the SA4 region, marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration that contributed approximately 62.6% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections, released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Based on demographic trends and latest annual ERP population numbers, the area is expected to grow by 1,379 persons to 2041, reflecting an increase of 4.8% in total over the 17 years.

AreaSearch analysis of residential development drivers sees Oyster Bay - Como - Jannali recording a relatively average level of approval activity when compared to local markets analysed countrywide

Oyster Bay - Como - Jannali has recorded approximately 52 residential properties granted approval annually over the past five financial years, totalling 260 homes. As of FY-26, 18 approvals have been recorded. Over these five years, an average of 2.3 new residents per year was gained for each dwelling built, indicating strong demand which supports property values. New homes are being constructed at an average expected cost of $405,000.

This financial year has seen $25.8 million in commercial approvals, demonstrating moderate levels of commercial development. Compared to Greater Sydney, Oyster Bay - Como - Jannali records about three-quarters the building activity per person and ranks among the 31st percentile nationally, resulting in relatively constrained buyer choice which supports interest in existing dwellings. This is reflective of the area's maturity and may indicate possible planning constraints. New building activity comprises 56.0% standalone homes and 44.0% townhouses or apartments, showing a shift from the current housing mix of 76.0% houses. This change reflects reduced availability of development sites and addresses shifting lifestyle demands and affordability requirements.

The location has approximately 547 people per dwelling approval, indicating an established area. Population forecasts suggest Oyster Bay - Como - Jannali will gain 1,110 residents by 2041. Based on current development patterns, new housing supply should readily meet demand, offering good conditions for buyers and potentially facilitating population growth beyond current projections.

Oyster Bay - Como - Jannali has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Infrastructure changes significantly influence an area's performance. AreaSearch identified 12 projects potentially impacting the region. Key initiatives include the mixed-use development at 544-550 Box Road Jannali, M6 Stage 2, President Private Hospital Redevelopment, and Florida Street Affordable Housing. The following list details those most likely to be relevant.

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

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

The labour market strength in Oyster Bay - Como - Jannali positions it well ahead of most Australian regions

Oyster Bay - Como - Jannali has a well-educated workforce with strong representation in professional services. Its unemployment rate was 2.0% as of September 2025, lower than Greater Sydney's 4.2%. Employment growth over the past year was estimated at 1.4%.

As of September 2025, 12,788 residents were employed. Workforce participation in Oyster Bay - Como - Jannali was broadly similar to Greater Sydney's 70.0%, with an unemployment rate of 2.2% below the regional average. Covid-19 lockdown impacts should be considered when interpreting Census data from this area, where 52.8% of residents worked from home. Key industries of employment among residents were professional & technical services, health care & social assistance, and education & training.

Notably, education & training had employment levels at 1.3 times the regional average, while health care & social assistance showed lower representation at 12.1%. The predominantly residential area appears to offer limited local employment opportunities, as indicated by the count of Census working population versus resident population. Between September 2024 and September 2025, employment levels increased by 1.4% and labour force grew by 1.3%, with unemployment remaining essentially unchanged. By comparison, Greater Sydney recorded employment growth of 2.1%, labour force growth of 2.4%, and an increase in unemployment of 0.2 percentage points during the same period. Jobs and Skills Australia's national employment forecasts from May-25 offer insights into potential future demand within Oyster Bay - Como - Jannali. National employment is forecast to expand by 6.6% over five years and 13.7% over ten years, with growth rates varying significantly between industry sectors. Applying these projections to the local employment mix suggests that Oyster Bay - Como - Jannali's employment should increase by approximately 6.9% over five years and 13.9% over ten years.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

The Oyster Bay - Como - Jannali SA2 had a median income of $70,440 and an average income of $94,189 among taxpayers in financial year 2023, according to the latest ATO data aggregated by AreaSearch. This compares to Greater Sydney's median income of $60,817 and average income of $83,003 for the same period. Based on Wage Price Index growth of 8.86%, current estimates for September 2025 would be approximately $76,681 (median) and $102,534 (average). In 2021 Census figures, household, family, and personal incomes in Oyster Bay - Como - Jannali ranked highly nationally, between the 83rd and 94th percentiles. Distribution data showed that 30.2% of residents (6,958 people) earned over $4,000 annually, contrasting with regional levels where the $1,500 - $2,999 bracket led at 30.9%. The area demonstrated affluence with 46.1% earning over $3,000 per week. Housing accounted for 14.5% of income, and strong earnings placed residents within the 94th percentile for disposable income. The area's SEIFA income ranking placed it in the 9th decile.

Oyster Bay - Como - Jannali is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

The dwelling structure in Oyster Bay - Como - Jannali, as per the latest Census, consisted of 75.7% houses and 24.2% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Sydney metro had 55.9% houses and 44.1% other dwellings. Home ownership in Oyster Bay - Como - Jannali stood at 38.4%, with the remaining dwellings either mortgaged (46.7%) or rented (15.0%). The median monthly mortgage repayment in the area was $3,000, higher than Sydney metro's average of $2,427. The median weekly rent figure was recorded at $500, compared to Sydney metro's $470. Nationally, Oyster Bay - Como - Jannali's mortgage repayments were significantly higher than the Australian average of $1,863, while rents were substantially above the national figure of $375.

Oyster Bay - Como - Jannali features high concentrations of family households, with a higher-than-average median household size

Family households account for 82.3% of all households, including 47.2% couples with children, 25.4% couples without children, and 9.0% single parent families. Non-family households constitute the remaining 17.7%, with lone person households at 16.5% and group households comprising 1.3%. The median household size is 2.9 people, larger than the Greater Sydney average of 2.7.

Oyster Bay - Como - Jannali shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

The area's educational profile is notable regionally with university qualification rates at 36.3%, exceeding the Australian average of 30.4% and the SA3 area rate of 30.5%. Bachelor degrees are most common at 24.1%, followed by postgraduate qualifications (8.8%) and graduate diplomas (3.4%). Vocational credentials are prominent with 34.2% of residents aged 15+ holding them, including advanced diplomas (13.2%) and certificates (21.0%).

Educational participation is high at 31.6%, with 11.4% in primary education, 9.0% in secondary education, and 5.1% pursuing tertiary education.

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

The analysis of public transportation in the area encompassing Oyster Bay - Como - Jannali indicates 157 active transport stops. These consist of a mix of train and bus services. The stops are served by 25 individual routes, collectively facilitating 3,398 weekly passenger trips. Residents enjoy excellent transport accessibility, with an average distance of 158 meters to the nearest stop. Primarily residential, most commuters travel outward from the area. Cars remain the dominant mode of transportation at 84%, while trains account for 11%.

Vehicle ownership stands at an average of 1.6 per dwelling, exceeding the regional average. According to the 2021 Census, a high proportion of residents, 52.8%, work from home, which may reflect COVID-19 conditions. Service frequency averages 485 trips per day across all routes, equating to approximately 21 weekly trips per individual stop. The accompanying map illustrates the 100 nearest stops to the location's centrepoint.

Oyster Bay - Como - Jannali's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

AreaSearch's assessment of health outcomes data shows exceptional results for Oyster Bay - Como - Jannali. Mortality rates and chronic condition prevalence were very low across all age groups. Private health cover was found to be high at approximately 68% of the total population (15,553 people), compared to 59.9% in Greater Sydney and a national average of 55.7%.

The most common medical conditions were asthma and arthritis, affecting 7.4% and 7.1% of residents respectively. A total of 72.8% of residents declared themselves completely clear of medical ailments, compared to 74.6% in Greater Sydney. Working-age residents had low chronic condition prevalence. The area has a higher proportion of seniors aged 65 and over at 18.2%, with 4,195 people, compared to 15.4% in Greater Sydney. Health outcomes among seniors were strong and broadly in line with national rankings.

In terms of cultural diversity, Oyster Bay - Como - Jannali records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Oyster Bay-Como-Jannali's population showed higher cultural diversity with 20.7% born overseas and 12.6% speaking languages other than English at home. Christianity dominated the religious landscape here, comprising 58.6%, compared to Greater Sydney's 49.2%. The top ancestry groups were English (28.4%), Australian (25.9%) and Irish (9.6%), all higher than regional averages of 19.0% and 17.8% respectively.

Notably, Macedonian (0.7%), Russian (0.5%), and Greek (2.1%) groups were relatively overrepresented compared to regional figures of 0.4%, 0.4%, and 1.9% respectively.

Oyster Bay - Como - Jannali's population is slightly older than the national pattern

The median age in Oyster Bay - Como - Jannali is 40, which is slightly higher than Greater Sydney's figure of 37 and Australia's figure of 38. The area has a notably higher proportion of individuals aged 45-54 (15.2%) compared to the Greater Sydney average, while those aged 25-34 are under-represented at 7.9%. Between 2021 and present, the population aged 15-24 increased from 11.6% to 13.7%, while the 75-84 age group grew from 5.4% to 6.9%. Conversely, the 25-34 age group decreased from 8.8% to 7.9%. By 2041, demographic modeling suggests significant changes in Oyster Bay - Como - Jannali's age profile. The 85+ cohort is projected to surge by 743 people (145%), from 511 to 1,255. Notably, the combined 65+ age groups will account for 74% of total population growth, reflecting the area's aging demographic trend. Meanwhile, the 45-54 and 0-4 cohorts are expected to experience population declines.