Twin Waters (Qld)

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Evaluating demographics from ABS updates for the broader zone, in addition to address records checked by Districts since the Census, the suburb of Twin Waters has a residency count calculated at approximately 3,145 in May 2026. This indicates a rise of 179 people (6.0%) from the 2021 Census, which counted 2,966 individuals. The trend is derived from a resident headcount of 3,141, calculated by Districts using the ABS June 2025 ERP release alongside 60 validated new addresses added since the Census. This population level translates to a density of 802 persons per square kilometer, which aligns closely with typical figures recorded in places studied by Districts. Throughout the past decade, the suburb of Twin Waters has shown stable expansion with a 1.5% compound annual growth rate, exceeding the Rest of Qld. Growth was primarily supported by international arrivals, who represented roughly 93.0% of the total demographic expansion in recent times.

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Twin Waters possesses a workforce with high levels of schooling, featuring a strong contingent of white-collar professionals and a jobless rate of only 2.4%, gathered from Districts statistical area compilations. In March 2026, 1,243 residents are employed, and the local jobless rate sits 1.5% below the Regional Qld benchmark of 3.9%, whereas workforce participation is notably lower (44.9% compared to Regional Qld's 64.3%). Census records reveal that a substantial 27.2% of workers performed their duties from home, though this figure reflects Covid-19 health restrictions.

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The suburb of Twin Waters has income levels that sit below the national average according to financial year 2023 ATO statistics compiled by Districts. In the suburb of Twin Waters, taxpayers record a median income of $48,774 and an average of $64,890, while the wider Regional Qld returns figures of $53,146 and $66,593. Factoring in Wage Price Index growth of 11.36% since financial year 2023, local figures are estimated at roughly $54,315 for the median and $72,262 for the average as of March 2026. The 2021 Census reports that household, family, and personal earnings all place modestly, falling between the 44th and 46th percentiles. Specifically, 29.7% of the community (amounting to 934 individuals) are in the $1,500 - 2,999 earnings bracket, mirroring the regional trend where of residents occupy this tier. Following housing outlays, of household earnings is available for general living expenses, placing the region in the th decile for SEIFA income.

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During the last Census, the housing mix in Twin Waters stood at 73.9% standalone houses and 26.1% alternative dwellings (including semi-detached properties, units, and other types), compared to Regional Qld's breakdown of 76.4% houses and 23.6% other options. Conversely, home ownership rates in Twin Waters were far higher than the regional average, reaching 58.0%, with the remaining properties being purchased under a mortgage (30.0%) or occupied by tenants (12.0%). The median monthly home loan payment was significantly above the Regional Qld level at $2,167, and the median weekly rent was $650, compared to regional averages of $1,655 and $345 respectively. On a national level, home loan payments in Twin Waters are higher than the Australian median of $1,863, and typical rents also exceed the national benchmark of $375.

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Families represent the bulk of households at 80.3%, which is comprised of 19.2% couples with children, 55.2% couples without children, and 5.5% single-parent homes. The remaining 19.7% consists of non-family setups, where single-person households account for 18.0% and shared households represent 1.5% of the total. The median household occupancy of 2.3 individuals is slightly lower than the Regional Qld average of 2.5.

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The educational profile of this community is distinct within the region, with tertiary qualification rates (at 29.5% of residents aged 15+) higher than the Rest of Qld average of 20.6% and the SA4 region level of 24.9%, highlighting local educational attainment. Bachelor degrees are the most common credential at 20.3%, with postgraduate degrees at 5.9% and graduate diplomas at 3.3%. Practical and trade qualifications are also common, with 35.2% of residents aged 15+ holding vocational credentials, split between advanced diplomas (13.4%) and certificates (21.8%).

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Health profiles for Twin Waters indicate strong overall wellness, with Districts evaluations of mortality and chronic illnesses showing low rates of standard health problems in all age cohorts, while the proportion of residents with private health insurance is slightly above the typical SA2 average at roughly 53% of the community (~1,664 people).

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In terms of cultural diversity, Twin Waters aligns closely with regional averages, with 72.3% of residents born in Australia, 87.7% holding citizenship, and 94.0% using only English at home. Christianity is the primary religion, followed by 60.3% of the community. However, the most pronounced religious deviation is in Judaism, which accounts for 0.4% of the population compared to 0.1% across Regional Qld.

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With a median age of 60, Twin Waters is much older than the Regional Qld average of 41 and the national average of 38 years. The 65 - 74 age group is heavily represented at 23.1% compared to Regional Qld, while the 25 - 34 bracket is less common at 6.1%. This 65 - 74 demographic is much larger than the national average of 9.4%. Since 2021, the 75 to 84 cohort has expanded from 14.1% to 16.9% of the population, and the 25 to 34 group rose from 4.0% to 6.1%. Conversely, the 45 to 54 cohort fell from to , and the to group decreased from to . Age modeling indicates the local age profile will transform by . The + cohort is projected to expand by ( people), rising from to . Aging trends persist as residents aged and older represent of the anticipated growth. Meanwhile, the school-age cohorts of to and to will experience declines.

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Twin Waters currently has an estimated 91 children under 5 years old, comprising approximately 81 children aged 0-2 and 54 children aged 3-4. This cohort grew by an estimated 34% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 8% by 2041 (to approximately 98 children). Meanwhile the 5-12 cohort currently amounts to 240. While growth has been positive birth rates observed in the area have been low, with approximately 7.3 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 20% of areas assessed nationally. This rate has slowed down slightly in recent years however.