Chain Valley Bay (NSW)

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Drawing from an evaluation of ABS population updates for the wider region alongside newly validated addresses by Districts since the Census, the suburb of Chain Valley Bay has an estimated residency of 2,785 as of May 2026. This represents a growth of 12 people (0.4%) compared to the 2,773 individuals recorded in the 2021 Census. This adjustment is derived from the resident figure of 2,785, which Districts calculated by analyzing the latest ABS ERP release (June 2025) and verifying addresses since the Census. Such a population size results in a density of 497 persons per square kilometer, indicating ample personal space and capacity for potential future expansion. Throughout the last ten years, the suburb of Chain Valley Bay has shown steady development, registering a 1.2% compound annual growth rate that exceeded the SA3 region. Population expansion during recent timeframes was mostly fueled by overseas migration, which accounted for roughly 75.0% of the overall gains.

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Chain Valley Bay features a diverse labor force distributed between professional and trade roles, with significant representation in essential service industries, a jobless rate of just 3.4%, and an estimated job growth rate of 3.3% over the prior year, based on compiled statistical area data from Districts. As of March 2026, there are 1,040 employed local residents, and the unemployment rate sits 0.7% below the 4.1% recorded for Greater Sydney, although workforce participation is much lower at 43.0% compared to the regional figure of 69.1%. Census records show that a moderate 21.8% of the working population performed their duties from home, though this may have been influenced by COVID-19 lockouts.

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According to the most recent postcode ATO statistics compiled by Districts for financial year 2023, the suburb of Chain Valley Bay has a median taxpayer income of $43,919 and an average of $53,264. This is lower than the country-wide average, in contrast to the median of $60,817 and average of $83,003 found in Greater Sydney. Accounting for Wage Price Index inflation of 10.32% since financial year 2023, estimated figures would be roughly $48,451 for the median and $58,761 for the average as of March 2026. Census statistics show that household, family, and individual earnings in Chain Valley Bay all place within the bottom 5% of national statistics, ranging between the 0th and 5th percentiles. The largest income bracket is composed of 39.0% of earners making between $400 - 799 weekly ( residents), differing from the broader region where earn between - . The concentration of of taxpayers in categories below per week points to financial strain for a substantial portion of the community. After meeting housing costs, residents retain of their income, which places in only the rd percentile across the nation.

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Residential configurations in Chain Valley Bay at the time of the most recent Census consisted of 90.4% separate houses and 9.5% other dwelling types like townhouses and apartments, compared to the Sydney metropolitan area which recorded 55.9% separate houses and 44.1% other options. The home ownership rate in Chain Valley Bay stood well above the Sydney metropolitan average at 66.9%, with the remaining properties being purchased with a mortgage (23.8%) or occupied by tenants (9.3%). The median monthly home loan payment in the area was recorded at $1,647, which is considerably lower than the Sydney metropolitan median of $2,427, while the median weekly rent stood at $370, compared to $470 for the wider metro area. Nationwide, mortgage payments in Chain Valley Bay are notably below the Australian median of $1,863, and rent prices are lower than the national average of $375.

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Family units represent the majority of local households at 62.1%, consisting of 15.9% couples with children, 37.7% couples without children, and 8.1% single-parent households. Non-family living arrangements account for the remaining 37.9% of households, with single-person households at 35.3% and group households making up 1.8% of the total. The median household occupancy of 2.1 people is lower than the Greater Sydney average of 2.7.

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The local community experiences lower rates of higher education, with university qualification rates at 8.4%, which is far below the Greater Sydney average of 38.0%. This situation presents both a hurdle and a chance for focused educational programs. Bachelor degrees are the most common tertiary qualification at 5.8%, followed by postgraduate degrees at 1.4% and graduate diplomas at 1.2%. Trade and vocational capabilities are highly represented, with 45.0% of residents aged 15+ holding practical qualifications, consisting of advanced diplomas at 9.6% and certificates at 35.4%.

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Public transport reviews indicate that 15 active transit stops operate in Chain Valley Bay, offering a mix of bus options. These locations are served by 20 distinct routes, which combine to provide 255 passenger trips every week. Transit accessibility is classified as excellent, with local residents generally living 135 meters from their closest stop. As the locality is chiefly residential, the majority of workers travel outside the area to work, and private vehicles remain the primary transit mode at 95%. Households own an average of 1.0 vehicles, which is lower than the regional average. Roughly 21.8% of local workers performed their jobs from home, according to the 2021 Census, which may have been influenced by pandemic circumstances.

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Health indicators demonstrate significant hurdles in Chain Valley Bay, according to Districts' evaluation of death rates and the prevalence of chronic illnesses, which affect both younger and older demographics, while the proportion of residents with private health insurance is particularly low at roughly 48% of the population (approximately 1,338 individuals). This is in contrast to the 59.9% coverage across Greater Sydney and a national average of 55.7%.

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Chain Valley Bay ranks below average for cultural variety, with citizens making up 88.5% of the population, 84.4% of residents born in Australia, and 97.9% of the household population speaking only English at home. The predominant religion is Christianity, representing 67.6% of local residents, compared to 49.2% across Greater Sydney.

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The median age of 63 years in Chain Valley Bay is much higher than the Greater Sydney average of 37 and also exceeds the Australian median of 38. Compared to Greater Sydney, Chain Valley Bay contains a larger proportion of residents aged 75 - 84 (21.9%) but a smaller share of young adults aged 25 - 34 (5.7%). This concentration of individuals aged 75 - 84 is far higher than the national average of 6.1%. Since the 2021 Census, the proportion of residents aged 85+ has increased from 5.1% to 7.3%, and the 75 to 84 age group has risen from 19.8% to 21.9%. Meanwhile, the 45 to cohort fell from to , and the to age group dropped from to . Looking forward to demographic projections indicate major changes in the local age profile, with the + cohort expected to expand by people () from to . This aging trend is highlighted by the fact that residents aged and older account for all of the expected growth, while the to and to age groups are projected to see declines in population.

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Chain Valley Bay currently has an estimated 94 children under 5 years old, comprising approximately 76 children aged 0-2 and 50 children aged 3-4. This cohort declined by an estimated 0% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 22% by 2041 (to approximately 73 children). Meanwhile the 5-12 cohort currently amounts to 218. Birth rates in the area have averaged 8.5 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.