Kogarah Bay (NSW)

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According to investigations of ABS demographic releases for the wider region, alongside updated addresses verified by Districts since the Census, the suburb of Kogarah Bay has an estimated residency of approximately 2,150 people as of May 2026. This represents a growth of 48 individuals (2.3%) from the 2021 Census, which documented a population of 2,102 people. The adjustments are derived from a resident headcount of 2,149, calculated by Districts using the latest ABS ERP release (June 2025) and an additional 20 verified new addresses following the Census date. This population level yields a density of 3,257 persons per square kilometer, placing the suburb in the top quartile of domestic regions analyzed by Districts. Inward overseas migration was the primary driver of expansion, accounting for approximately 85.0% of the overall population increases lately.

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Kogarah Bay features a highly skilled labor pool where professional services are prominently represented, and the unemployment rate stands at 2.0%, with an estimated annual employment growth of 1.9% according to Districts aggregated statistical area data. As of March 2026, the area has 1,236 residents employed, an unemployment rate of 2.1% which is lower than the Greater Sydney average of 4.1%, and workforce participation rates that closely mirror the 69.1% observed in Greater Sydney. Census data indicates that a substantial 49.1% of residents engage in remote work, although this figure should be contextualized with the lingering effects of Covid-19 lockdowns.

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Taxpayer income levels in the suburb of Kogarah Bay are slightly below the national benchmark, according to the latest ATO statistics compiled by Districts for financial year 2023. Local taxpayers recorded a median income of $52,825 and an average income of $66,206, which compares to median and average figures of $60,817 and $83,003 in Greater Sydney. Adjusted for a Wage Price Index expansion of 10.32% since financial year 2023, current estimates for March 2026 would be approximately $58,277 for the median and $73,038 for the average. Census records indicate that household earnings are exceptionally high, placing in the 91st percentile ($2,528 weekly), even though individual incomes sit lower in the 56th percentile. The largest income bracket contains 28.1% of local taxpayers (604 people) earning upwards of +, differing from the wider metropolitan area where the - range is the most common at . Local financial strength is demonstrated by the of households earning high weekly incomes above which supports local retail spending. Housing costs consume of household income, and strong earning profiles position locals in the st percentile for disposable income, while the SEIFA index ranks the area in the th decile for income.

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Residential architecture in the suburb of Kogarah Bay at the time of the last Census consisted of 95.1% standalone houses and 4.9% alternative housing styles (including semi-detached properties, apartments, and other dwellings), compared to the Sydney metropolitan split of 55.9% houses and 44.1% other dwellings. Home ownership in the suburb of Kogarah Bay was significantly higher than the metropolitan average at 47.1%, with the remaining properties being purchased with a mortgage (38.7%) or occupied by tenants (14.3%). The median monthly home loan repayment of $2,963 was well above the Sydney metropolitan average of $2,427, while the median weekly rent stood at $650 compared to $470 for the wider metro area. Compared nationally, local mortgage repayments are considerably higher than the Australian median of $1,863, and weekly rents are well above the countrywide figure of $375.

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Family units make up the vast majority of households at 84.8%, consisting of 46.0% couples raising children, 25.8% couples without children, and 11.0% single parent families. Non-family living arrangements account for the remaining 15.2%, with single-person households representing 13.7% and group households making up 2.0% of the total. The local median household size of 3.1 residents is larger than the Greater Sydney average of 2.7.

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Educational qualifications in the suburb of Kogarah Bay sit below regional averages, with 33.0% of residents aged 15+ holding a tertiary degree, compared to 38.7% across the wider SA3 region. This difference points to opportunities for future educational growth and training. Undergraduate degrees are the most common credential at 22.7%, followed by postgraduate degrees (8.5%) and graduate diplomas (1.8%). Vocational and technical training is also common, with 28.4% of residents aged 15+ holding trade credentials, consisting of advanced diplomas (10.4%) and certificates (18.0%).

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Public transit metrics show 20 active transit stops in the suburb of Kogarah Bay, consisting of bus services. These stops support 3 distinct routes that provide 451 weekly passenger journeys. Transit convenience is rated as high, with residents living an average of 119 meters from the nearest stop. Because this is mainly a residential area, most workers commute out of the suburb, with private cars remaining the primary travel mode at 89%, and 7% using trains. Vehicle ownership stands at an average of 1.8 cars per household, which is above the metropolitan average. A high 49.1% of residents worked from home, according to the 2021 Census, which may reflect pandemic-era conditions.

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Local health outcomes are exceptionally positive in the suburb of Kogarah Bay, based on Districts assessments of mortality statistics and the occurrence of long-term illnesses, showing a low rate of standard medical issues across all age brackets. Private health insurance coverage is slightly above the average SA2 region, encompassing approximately 53% of the population (~1,142 people), compared to 59.9% across the broader Greater Sydney area.

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The suburb of Kogarah Bay exhibits high levels of cultural diversity, with 33.8% of its residents born outside of Australia and 47.1% communicating in a language other than English when at home. Christianity is the primary religious affiliation, practiced by 71.4% of local residents, compared to a rate of 49.2% across Greater Sydney.

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Having a median age of 44, the suburb of Kogarah Bay is older than Greater Sydney's median of 37 and the national average of 38. The 55 - 64 age bracket is highly represented at 15.4% of the population compared to Greater Sydney, while the 35 - 44 cohort is less common at 9.8%. Since the 2021 Census, the 65 to 74 age group has expanded from 9.3% to 10.4% of the population. In contrast, the 5 to 14 cohort decreased from 12.5% to 10.7%, and the 45 to 54 group fell from 15.3% to 14.1%. Demographic projections suggest that the local age profile will shift substantially by . The to cohort is expected to grow by ( people), rising to from . This aging trend is prominent, with residents aged + accounting for of the overall projected growth. Conversely, the to and to age cohorts are projected to experience declines.

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Kogarah Bay currently has an estimated 73 children under 5 years old, comprising approximately 62 children aged 0-2 and 41 children aged 3-4. This cohort declined by an estimated 13% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 5% by 2041 (to approximately 69 children). Meanwhile the 5-12 cohort currently amounts to 150. Birth rates in the area have averaged 10.6 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.