Blackwater (Qld)

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According to evaluations of ABS demographic releases for the wider region, combined with address records verified by Districts post-Census, the suburb of Blackwater has an estimated residency of 5,060 individuals as of May 2026. This represents a rise of 358 residents (7.6%) from the 2021 Census, which documented 4,702 individuals. The estimation is drawn from a resident count of 5,054, calculated by Districts using the ABS June 2025 ERP update alongside 40 newly confirmed addresses registered since the Census. With this population level, the density stands at 7.7 persons per square kilometer, indicating a spacious residential environment. The 7.6% expansion rate in the suburb of Blackwater since the 2021 census outpaced the SA3 region's 6.3% growth and also exceeded the SA4 territory, positioning the locality as a leader in regional growth. The upward trend was driven mostly by natural increase, which accounted for approximately 84.0% of the demographic expansion in recent times.

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The local workforce exhibits an even distribution between professional and industrial roles, with a prominent presence in production and manufacturing, alongside an unemployment rate of 5.9% according to Districts statistical aggregations. In March 2026, there were 2,989 employed residents, with the jobless rate tracking 2.0% higher than the Regional Qld benchmark of 3.9%, while labor force participation was exceptionally high at 81.8% compared to the regional rate of 64.3%. Census statistics indicate that a minimal 3.5% of the working population operated from their homes, although this figure may reflect the influence of pandemic-era restrictions.

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According to compiled ATO figures at the postcode level for the 2023 financial year, taxpayers in the locality recorded a median income of $91,875 and an average income of $105,278. These sums are remarkably high on a national scale, comparing to regional averages of $53,146 and $66,593. Factoring in Wage Price Index growth of 11.36% since the 2023 financial year, current estimated values would reach approximately $102,312 for the median and $117,238 for the average as of March 2026. The 2021 Census confirms that household, family, and individual incomes are highly ranked, placing between the 86th and 93rd percentiles across Australia. Income distribution statistics show that the weekly earnings bracket of $1,500 - 2,999 accounts for 36.3% of the local population, or people, mirroring regional trends where fall into the same bracket. A significant proportion of high-income earners, with receiving over weekly, points to robust financial resources in the community. After accounting for housing costs, households retain of their earnings, indicating strong discretionary spending capacity.

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The local housing stock, as recorded in the latest Census, was composed of 92.7% separate houses and 7.3% alternative dwellings such as townhouses, apartments, or other structures, compared to 76.4% separate houses and 23.6% alternative dwellings throughout Regional Qld. Home ownership rates lagged the wider region at 11.1%, with the remaining properties occupied by residents with a mortgage (23.7%) or tenants (65.3%). The median monthly mortgage payment of $1,083 was considerably lower than the Regional Qld average, while the median weekly rent stood at $220, compared to regional figures of $1,655 and $345. On a national level, local mortgage commitments are much lower than the Australian median of $1,863, and rent expenses are also well below the national median of $375.

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Families make up 70.9% of all local households, consisting of couples with children at 32.8%, couples without children at 24.5%, and single parents at 12.1%. Non-family living arrangements account for the remaining 29.1%, with single-person households representing 25.9% and group households making up 3.2%. The median household size of 2.6 residents is slightly larger than the Regional Qld average of 2.5.

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The local area presents low rates of higher education, with university graduation levels at 12.4%, well below the national rate of 30.4%. This highlights a gap and a potential target for educational investment. Bachelor degrees account for the largest share at 9.6%, followed by postgraduate degrees at 1.5% and graduate diplomas at 1.3%. Vocational and technical expertise is highly prevalent, with 48.4% of residents aged 15 and older holding trade qualifications, split between advanced diplomas at 7.1% and certificates at 41.3%.

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The community faces notable public health concerns, based on Districts assessments of mortality patterns and the prevalence of long-term illnesses across both younger and older generations. Conversely, the uptake of private health insurance is exceptionally high, covering approximately 69% of the local population, or 3,486 individuals. This is significantly higher than the Regional Qld average of 52.5% and the national average of 55.7%.

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The population shows lower levels of cultural diversity than average, with citizens representing 77.9% of the population, 88.0% of residents born in Australia, and 95.0% using only English at home. The predominant religious affiliation is Christianity, representing 47.0% of the community, compared to 52.2% across Regional Qld.

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The median age of 31 years makes this population noticeably younger than the Regional Qld median of 41 and the national average of 38. The 25 to 34 age bracket is highly represented at 19.7%, whereas the 65 to 74 group is small at 4.1%. This concentration of 25 to 34 year olds is higher than the national average of 14.6%. Since 2021, the 25 to 34 demographic has expanded from 18.0% to 19.7% of the population, while the 45 to 54 group has contracted from 13.6% to 12.1%. Long-term forecasts for 2041 suggest shifting demographics, with the to cohort projected to grow by residents, or , moving from to individuals. Conversely, the to and to age groups are expected to decline.

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Blackwater currently has an estimated 409 children under 5 years old, comprising approximately 260 children aged 0-2 and 174 children aged 3-4. This cohort grew by an estimated 12% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 13% by 2041 (to approximately 462 children). Meanwhile the 5-12 cohort currently amounts to 606. Recent growth has been driven by high birth rates observed in the area, with approximately 17.1 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 20% of areas assessed nationally. This rate has slowed down slightly in recent years however.