Oyster Bay - Como - Jannali
Statistical Area - sa2

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 22,781 as of August 2025. This shows an increase of 718 people since the 2021 Census, which recorded a population of 22,063. The growth is inferred from ABS estimates of 22,773 in June 2024 and 48 new addresses validated since the Census date. This results in a density ratio of 2,556 persons per square kilometer, placing it among the upper quartile nationally assessed by AreaSearch. The area's growth of 3.3% since the Census exceeded its SA3 region's 2.5%, indicating leadership in regional growth. Overseas migration contributed approximately 62.6% to recent population gains.

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 from 2022 using a 2021 base year are employed. Growth rates by age group are applied to all areas for years 2032 to 2041. Future demographic trends suggest the area will grow by 1,379 persons to 2041, with an overall increase of 6.0% 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 per year. Development approval data is produced by the Australian Bureau of Statistics on a financial year basis, totalling 260 approvals across the past five financial years from FY-21 to FY-25, and six so far in FY-26. Over these five years, an average of 2.3 new residents have been gained per dwelling built, indicating healthy demand which supports property values. New homes are being constructed at an average expected construction cost value of $548,000.

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 places among the 31st percentile of areas assessed nationally, resulting in relatively constrained buyer choice which supports interest in existing dwellings. This is also below average nationally, reflecting the area's maturity and possible planning constraints. New building activity shows 56.0% standalone homes and 44.0% townhouses or apartments, with a growing mix providing options across different price points from family homes to more affordable compact living, indicating a considerable change from the current housing mix of 76.0% houses. The location has approximately 547 people per dwelling approval, reflecting an established area.

Population forecasts indicate Oyster Bay - Como - Jannali will gain 1,371 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 30% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified 12 projects likely affecting the region. Notable initiatives include the mixed-use development at 544-550 Box Road Jannali, M6 Motorway Stage 2, President Private Hospital Redevelopment, and Sutherland Public School Hall Upgrade. The following list details those expected to have the most relevance.

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

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 being strongly represented. The unemployment rate in the area was 2.2% as of June 2025.

There was an estimated employment growth of 2.9% over the past year. As of June 2025, 12,671 residents were in work with an unemployment rate of 2.0%, which is below Greater Sydney's rate of 4.2%. Workforce participation in the area was 65.7%, higher than Greater Sydney's 60.0%. The key industries of employment among residents are professional & technical, health care & social assistance, and education & training.

There is a notable concentration in education & training, with employment levels at 1.3 times the regional average. However, health care & social assistance shows lower representation at 12.1% compared to the regional average of 14.1%. The area appears to offer limited local employment opportunities as indicated by the count of Census working population versus resident population. During the year to June 2025, employment levels increased by 2.9%, labour force increased by 3.3%, resulting in an unemployment rise of 0.3 percentage points. In comparison, Greater Sydney recorded employment growth of 2.6% and unemployment rose by 0.3 percentage points. State-level data to Sep-25 shows NSW employment contracted by 0.41%, losing 19,270 jobs, with the state unemployment rate at 4.3%. This compares favourably to the national unemployment rate of 4.5% and lags behind the national employment growth of 0.26%. Jobs and Skills Australia's national employment forecasts from May 2025 suggest that national employment is forecast to expand by 6.6% over five years and 13.7% over ten years, with industry-specific projections suggesting local growth in Oyster Bay - Como - Jannali of 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

Oyster Bay - Como - Jannali has a very high national income level according to ATO data aggregated by AreaSearch for the financial year 2022. The median income among taxpayers is $66,473 and the average income is $89,899, compared to Greater Sydney's figures of $56,994 and $80,856 respectively. Based on Wage Price Index growth of 10.6% since financial year 2022, current estimates would be approximately $73,519 for median income and $99,428 for average income as of March 2025. According to the 2021 Census figures, household, family, and personal incomes in Oyster Bay - Como - Jannali rank highly nationally, between the 84th and 94th percentiles. Income distribution shows that the $4000+ bracket dominates with 30.2% of residents (6,879 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. 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 latest Census evaluation showed that in Oyster Bay - Como - Jannali, 75.7% of dwellings were houses, with the remaining 24.2% being semi-detached, apartments, or other types. In comparison, Sydney metro had 70.4% houses and 29.6% other dwellings. Home ownership in Oyster Bay - Como - Jannali was 38.4%, similar to Sydney metro's level. Mortgaged dwellings accounted for 46.7%, while rented dwellings made up 15.0%. The median monthly mortgage repayment in the area was $3,000, higher than Sydney metro's average of $2,600 and significantly above Australia's national average of $1,863. The median weekly rent figure for Oyster Bay - Como - Jannali was $500, compared to Sydney metro's $483 and the national average of $375.

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

Family households constitute 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 account for 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, which is 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 university qualification rate is 36.3% for residents aged 15+, exceeding the Australian average of 30.4%. This rate is also higher than that of the SA3 area (30.5%). Bachelor degrees are most common at 24.1%, followed by postgraduate qualifications (8.8%) and graduate diplomas (3.4%).

Vocational credentials are held by 34.2% of residents aged 15+, with advanced diplomas making up 13.2% and certificates 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. There are 11 schools serving 3,226 students in the area, with Oyster Bay - Como - Jannali demonstrating above-average socio-educational conditions (ICSEA: 1080). The educational mix includes 9 primary, 1 secondary, and 1 K-12 school. School places per 100 residents are 14.2, below the regional average of 17.8, with some students likely attending schools in adjacent areas.

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

Transport analysis shows 137 active transport stops operating in Oyster Bay - Como - Jannali area. These comprise a mix of train and bus services. There are 24 individual routes servicing these stops, collectively providing 3024 weekly passenger trips.

Transport accessibility is rated excellent with residents typically located 159 meters from the nearest stop. Service frequency averages 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 of health metrics shows strong performance throughout Oyster Bay - Como - Jannali, with both young and old age cohorts seeing low prevalence of common health conditions. The rate of private health cover is exceptionally high at approximately 67% of the total population (15,194 people), compared to 60.0% across Greater Sydney and a national average of 55.3%. The most common medical conditions in the area are asthma and arthritis, impacting 7.4% and 7.1% of residents respectively, while 72.8% declared themselves as completely clear of medical ailments compared to 70.6% across Greater Sydney.

As of October 2021, the area has 17.9% of residents aged 65 and over (4,066 people). Health outcomes among seniors are particularly strong, broadly in line with the general population's health profile.

The level of cultural diversity witnessed in Oyster Bay - Como - Jannali was found to be above average when compared nationally for a number of language and cultural background related metrics

Oyster Bay - Como - Jannali, surveyed in [2016](https://www.abs.gov.au/statistics/people/cultural-diversity/Cultural-Diversity-in-Australia-2016-postcensual-release/), had a cultural diversity index of 20.7%, with 12.6% speaking a language other than English at home. Christianity was the dominant religion, comprising 58.6%. Compared to Greater Sydney's 61.9%, this showed a slight decrease.

Top ancestral groups were English (28.4%), Australian (25.9%), and Irish (9.6%). Notable divergences included Macedonian (0.7% vs regional 0.8%), Russian (0.5% vs 0.5%), and Welsh (0.7% vs 0.6%).

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

The median age in Oyster Bay - Como - Jannali is 40, slightly higher than Greater Sydney's figure of 37 and Australia's average of 38 years. The 45-54 age cohort is notably over-represented at 15.4%, while the 25-34 age group is under-represented at 8.1%. Between 2021 and present, the 15 to 24 age group has grown from 11.6% to 13.4%, and the 75 to 84 cohort increased from 5.4% to 6.7%. Conversely, the 25 to 34 age group has declined 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 surge dramatically, expanding by 781 people (165%) from 473 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 to 54 and 15 to 24 cohorts are expected to experience population declines.