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, as of November 2025, is approximately 22,799. This figure represents a growth of 736 people since the 2021 Census, which recorded a population of 22,063. The increase is inferred from the estimated resident population of 22,773 in June 2024 and an additional 54 validated new addresses since the Census date. This results in a density ratio of 2,558 persons per square kilometer, placing the area in the upper quartile nationally according to AreaSearch's assessments. The growth rate of 3.3% since the 2021 census exceeds that of the SA3 area at 2.6%, indicating Oyster Bay - Como - Jannali as a growth leader in its region. Overseas migration contributed approximately 62.6% to the overall population gains recently.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, NSW State Government's SA2 level projections are used, released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for the years 2032 to 2041. Based on demographic trends and latest annual ERP population numbers, the area is expected to grow by 1,379 persons by 2041, reflecting an increase of approximately 5.9% over the 17-year period.

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, 16 approvals have been recorded. On average, 2.3 new residents per year are gained for each dwelling built between FY-21 and FY-25, indicating healthy demand that supports property values. New homes are being constructed at an average value of $405,000.

In the current financial year, $25.8 million in commercial approvals have been registered, 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 that supports interest in existing dwellings. This reflects the area's maturity and possible planning constraints. New building activity comprises 56.0% standalone homes and 44.0% townhouses or apartments, showing a growing mix of housing types to provide options across different price points. This is a considerable change from the current housing mix, which is currently 76.0% houses, reflecting reduced availability of development sites and addressing 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 1,353 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 strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes in local infrastructure significantly impact an area's performance. AreaSearch has identified 12 projects likely affecting the region. Notable ones 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 relevant.

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

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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 professional services strongly represented. The unemployment rate was 2.0% as of September 2025 and the estimated employment growth over the past year was 1.4%.

There were 12,788 residents in work at this time, with an unemployment rate of 2.2%, lower than Greater Sydney's rate of 4.2%. Workforce participation was higher at 65.7% compared to Greater Sydney's 60.0%. Key industries for employment among residents were professional & technical, health care & social assistance, and education & training. Education & training had notable concentration with employment levels at 1.3 times the regional average, while health care & social assistance showed lower representation at 12.1% compared to the regional average of 14.1%.

Employment opportunities locally appeared limited based on Census working population vs resident population count. From September 2024 to September 2025, employment levels increased by 1.4% and labour force increased by 1.3%, with unemployment remaining essentially unchanged. Greater Sydney recorded employment growth of 2.1%, labour force growth of 2.4%, and an unemployment rise of 0.2 percentage points during the same period. As of 25-Nov-25, NSW employment contracted by 0.03% (losing 2,260 jobs), with a state unemployment rate of 3.9%. National employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Oyster Bay - Como - Jannali's employment mix suggests local employment should increase by 6.9% over five years and 13.9% over ten years, based on a simple weighting extrapolation for illustrative purposes.

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 an extremely high national income level according to latest ATO data aggregated by AreaSearch for financial year 2022. The median income among taxpayers was $66,473 and the average income stood at $89,899, compared to Greater Sydney's figures of $56,994 and $80,856 respectively. Based on Wage Price Index growth of 12.61% since financial year 2022, current estimates would be approximately $74,855 (median) and $101,235 (average) as of September 2025. According to 2021 Census figures, household, family and personal incomes all rank highly in Oyster Bay - Como - Jannali, between the 83rd and 94th percentiles nationally. Distribution data shows the $4000+ bracket dominates with 30.2% of residents (6,885 people), contrasting with regional levels where the $1,500 - 2,999 bracket leads at 30.9%. Oyster Bay - Como - Jannali demonstrates considerable affluence with 46.1% earning over $3,000 per week, supporting premium retail and service offerings. Housing accounts for 14.5% of income while strong earnings rank residents within the 94th percentile for disposable income and the area's SEIFA income ranking places 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). This compares to Sydney metro's 70.4% houses and 29.6% other dwellings. The home ownership rate in Oyster Bay - Como - Jannali was 38.4%, with mortgaged dwellings at 46.7% and rented dwellings at 15.0%. The median monthly mortgage repayment in the area was $3,000, higher than Sydney metro's average of $2,600. The median weekly rent figure was recorded at $500, compared to Sydney metro's $483. Nationally, Oyster Bay - Como - Jannali's median monthly mortgage repayments were significantly higher at $3,000 versus the Australian average of $1,863, and 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 2.8.

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% of residents aged 15+, surpassing the Australian average of 30.4% and the SA3 area rate of 30.5%. Bachelor degrees are most prevalent at 24.1%, followed by postgraduate qualifications (8.8%) and graduate diplomas (3.4%). Vocational credentials are widely held, with 34.2% of residents aged 15+ possessing them – advanced diplomas account for 13.2% and certificates for 21.0%.

Educational participation is high, with 31.6% of residents currently enrolled in formal education. This includes 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 transport in the area comprising Oyster Bay - Como - Jannali shows that there are 137 active transport stops. These include a mix of train and bus services. There are 24 individual routes operating, which collectively provide 3024 weekly passenger trips.

The accessibility to these transport services is rated as excellent, with residents typically located 159 meters from the nearest stop. On average, there are 432 trips per day across all routes, equating to approximately 22 weekly trips per individual stop.

Oyster Bay - Como - Jannali's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis shows Oyster Bay - Como - Jannali performed well on health metrics. Both younger and older age groups had low prevalence of common conditions. Private health cover was high at approximately 67% of total population (15,206 people), compared to Greater Sydney's 60.0% and national average of 55.3%.

Most common conditions were asthma (7.4%) and arthritis (7.1%), with 72.8% reporting no medical ailments, compared to Greater Sydney's 70.6%. The area had 17.9% residents aged 65 and over (4,069 people). Seniors' health outcomes were strong, similar to the general population's profile.

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 has a cultural diversity index above the average, with 20.7% of its population born overseas and 12.6% speaking a language other than English at home. Christianity is the predominant religion in Oyster Bay-Como-Jannali, accounting for 58.6% of the population, compared to 61.9% across Greater Sydney. The top three ancestry groups in Oyster Bay-Como-Jannali are English (28.4%), Australian (25.9%), and Irish (9.6%).

Notably, Macedonian ethnicity is slightly overrepresented at 0.7%, while Russian remains steady at 0.5%. Greek ethnicity is also present at 2.1%, marginally lower than the regional average of 2.2%.

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 median age of 38. The area has a notably higher proportion of the 45-54 age group (15.4%) compared to Greater Sydney's average, while the 25-34 age group is under-represented at 8.1%. Between 2021 and present, the 15-24 age group has grown from 11.6% to 13.4%, and the 75-84 cohort has increased from 5.4% to 6.7%. Conversely, the 25-34 age group has decreased from 8.8% to 8.1%. By 2041, demographic modeling suggests significant changes in Oyster Bay - Como - Jannali's age profile. The 85+ age cohort is projected to increase dramatically by 780 people (165%), from 474 to 1,255. Notably, the combined 65+ age groups will account for 74% of total population growth, reflecting the area's aging demographic profile. Meanwhile, the 45-54 and 15-24 cohorts are expected to experience population declines.