Kilaben Bay (NSW)

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As of Feb 2026, the estimated population of the suburb of Kilaben Bay is around 1,691. This figure reflects an increase of 175 people since the 2021 Census, which recorded a population of 1,516. The current resident population estimate of 1,643 was derived from Districts' analysis of the latest ERP data release by the ABS in June 2024 and address validation since the Census date. This results in a population density ratio of approximately 1,050 persons per square kilometer, comparable to averages seen across other locations assessed by Districts. The suburb experienced an 11.5% growth rate between the 2021 Census and Feb 2026, surpassing the Rest of NSW's 5.9% growth during this period. Interstate migration contributed approximately 60.0% to Kilaben Bay's overall population gains in recent periods.

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Kilaben Bay has a skilled workforce with essential services sectors well represented. The unemployment rate is 4.6%, according to Districts' aggregation of statistical area data. As of December 2025745 residents are employed while the unemployment rate is 0.7% higher than Regional NSW's rate of 3.9%.

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The suburb of Kilaben Bay had one of Australia's highest incomes according to Districts aggregated ATO data for financial year 2023. Its median taxpayer income was $61,564 and average income stood at $87,507, compared to Regional NSW's $52,390 and $65,215 respectively. Based on Wage Price Index growth of 8.86% since financial year 2023, median income would be approximately $67,019 and average $95,260 by September 2025. Census data showed household income ranked at the 77th percentile ($2,186 weekly) and personal income at the 60th percentile. Income analysis revealed that 28.5% of residents (481 people) fell into the $1,500 - 2,999 bracket, mirroring the broader area's . Higher earners made up a substantial presence with exceeding weekly. After housing costs, residents retained of income. The suburb's SEIFA income ranking placed it in the th decile.

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Kilaben Bay's dwelling structure, as per the latest Census, was 94.8% houses and 5.3% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Regional NSW's 82.6% houses and 17.4% other dwellings. Home ownership in Kilaben Bay stood at 46.5%, with mortgaged dwellings at 41.5% and rented ones at 12.0%. The median monthly mortgage repayment was $2,036, higher than Regional NSW's average of $1,733. Median weekly rent in Kilaben Bay was $390, compared to Regional NSW's $330. Nationally, Kilaben Bay's mortgage repayments exceeded the Australian average of $1,863, while rents were higher than the national figure of $375.

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Family households account for 81.3 percent of all households, consisting of 34.8 percent couples with children, 38.2 percent couples without children, and 7.4 percent single parent families. Non-family households constitute the remaining 18.7 percent, with lone person households at 17.2 percent and group households comprising 1.4 percent of the total. The median household size is 2.6 people, which is larger than the Regional NSW average of 2.4.

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The area's educational profile is notable regionally with university qualification rates at 26.8%, surpassing the SA3 area average of 18.1% and Rest of NSW's rate of 21.3%. Bachelor degrees are most prevalent at 17.2%, followed by postgraduate qualifications at 6.4% and graduate diplomas at 3.2%. Vocational credentials are prominent, with 43.1% of residents aged 15+ holding them, including advanced diplomas (13.2%) and certificates (29.9%).

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Kilaben Bay has 20 active public transport stops operating within its boundaries, all of which are bus stops. These stops are serviced by 20 different routes that collectively provide 156 weekly passenger trips. The accessibility to these stops is rated as excellent, with residents typically located 139 meters from the nearest one. As a predominantly residential area, most residents commute outward. The car remains the primary mode of transport, used by 94% of residents. On average, there are 1.9 vehicles per dwelling in Kilaben Bay, which is higher than the regional average.

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Kilaben Bay shows superior health outcomes, as assessed by Districts using mortality rates and chronic condition prevalence. Both younger and older age groups exhibit low prevalence of common health conditions. Private health cover is exceptionally high at approximately 61% of the total population (1,039 people), compared to 51.9% in Regional NSW and 55.7% nationally.

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Kilaben Bay's cultural diversity was found to be below average, with 89.4% of its population born in Australia and 93.1% being citizens. English was spoken by 96.2% of residents at home. Christianity was the predominant religion, comprising 53.8% of Kilaben Bay's population, compared to 55.9% across Regional NSW.

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Kilaben Bay has a median age of 46, which is higher than Regional NSW's figure of 43 and significantly higher than the national norm of 38. The 65-74 age group constitutes 15.5% of Kilaben Bay's population, compared to Regional NSW, while the 25-34 cohort makes up only 8.0%. This concentration of the 65-74 age group is well above the national figure of 9.5%. Post-2021 Census data indicates a rejuvenation in Kilaben Bay's population, with the median age falling from 47 to 46 years. Notably, the 35-44 age group has grown from 11.2% to 13.9% of the population. Conversely, the 45-54 cohort has declined from to . By Kilaben Bay's age composition is expected to shift significantly. The - age group is projected to grow steadily, increasing by people () from to . In contrast, both the - and - age groups are expected to see reduced numbers.

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Kilaben Bay currently has an estimated 96 children under 5 years old, comprising approximately 49 children aged 0-2 and 32 children aged 3-4. This cohort grew by an estimated 19% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 24% by 2041 (to approximately 119 children). Meanwhile the 5-12 cohort currently amounts to 149. While growth has been positive birth rates observed in the area have been moderate, with approximately 9.0 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.