Mount Crosby (Qld)

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According to evaluations of ABS demographic releases for the region and subsequent address validations conducted by Districts, the suburb of Mount Crosby has an estimated residency of 1,984 as of May 2026. This indicates a rise of 124 individuals (6.7%) from the 2021 Census, which documented 1,860 residents. This shift is derived from the figure of 1,984, calculated by Districts using the ABS June 2025 ERP data combined with 29 validated new addresses registered after the Census. Such population numbers translate to 132 persons per square kilometer, indicating low density and space for potential future construction. The suburb of Mount Crosby's post-census growth of 6.7% lags the nationwide benchmark (9.3%) by 2.6 percentage points, showing solid growth characteristics. The main driver of population growth was immigration from overseas, which was responsible for roughly 61.0% of the overall gains in recent times.

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Based on statistical compilations from Districts, the suburb of Mount Crosby features a highly educated labor force with a strong concentration of professionals, a low unemployment rate of 0.7%, and an estimated job growth rate of 11.5% over the past year. In March 2026, employed residents numbered 1,293, while local unemployment sat 3.6% below the Greater Brisbane average of 4.3%. Labor force participation is exceptionally high at 80.9% compared to the Greater Brisbane average of 70.4%. Census records show that a high 26.9% of workers operated from home, though this figure reflects historical pandemic lockdown conditions.

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ATO records for the 2023 financial year show that the suburb of Mount Crosby had a median taxpayer income of $63,152 and an average income of $72,220. These figures exceed national standards and compare to median and average outcomes of $58,236 and $72,799 across Greater Brisbane. Adjusting for a 11.36% increase in the Wage Price Index since the 2023 financial year, current estimates point to a median of $70,326 and an average of $80,424 as of March 2026. The 2021 Census highlights that local household incomes are in the 96th percentile, showing a median weekly household income of $2,993. Income distribution details show that 28.6% of taxpayers (567 individuals) earn over $4000, differing from the wider metropolitan area where of earners fall in the - category. Economic affluence is evident with of households earning more than weekly, which bolsters local retail activity. After meeting housing costs, households keep of their earnings, indicating substantial disposable income, and the local SEIFA index puts the area in the th decile.

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Residential structures in the suburb of Mount Crosby at the time of the latest Census consisted of 99.5% separate houses and 0.5% alternative dwellings like apartments or townhouses, compared to the Brisbane metropolitan breakdown of 73.5% houses and 26.5% other dwellings. The rate of home ownership was high at 30.8%, with the remaining properties occupied by residents with a mortgage (62.4%) or tenants (6.8%). Monthly mortgage payments averaged $2,095, which is notably higher than the Brisbane metro average of $1,863. Weekly rent was recorded at $478, compared to the regional median of $380. Nationally, local mortgage commitments are higher than the Australian median of $1,863, and rents are also higher than the national figure of $375.

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Families make up the vast majority of local households at 88.0%, consisting of couples with children at 53.0%, couples without children at 26.5%, and single parent households at 7.6%. Non-family households represent the remaining 12.0%, with single person dwellings making up 11.6% and group households accounting for 0.8%. The local median household size of 3.1 occupants is larger than the Greater Brisbane average of 2.6.

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Academic credentials in the suburb of Mount Crosby are high compared to regional baselines, with 37.0% of residents aged 15+ holding a tertiary degree compared to 17.2% in the SA3 and 18.8% in the SA4. This educational profile positions local residents well for professional jobs. Bachelor degrees represent 22.9% of the adult population, followed by postgraduate degrees at 10.0% and graduate diplomas at 4.1%. Vocational qualifications are also common, with 32.6% of residents aged 15+ holding technical credentials, including advanced diplomas at 12.6% and certificates at 20.0%.

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The suburb of Mount Crosby registers favorable wellness measures based on evaluations of mortality and long-term illnesses, with low rates of common conditions across younger and older residents. Furthermore, private medical coverage is high, encompassing roughly 56% of the population, which represents approximately 1,107 people.

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The suburb of Mount Crosby has low levels of cultural diversity compared to national averages, with 77.8% of residents born in Australia, 92.7% holding citizenship, and 93.1% using only English at home. Christianity is the dominant religion, practiced by 48.0% of the community. The most distinct religious overrepresentation is Judaism, which accounts for 0.2% of the local population compared to 0.1% across Greater Brisbane.

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The median age of 43 in the suburb of Mount Crosby is higher than the Greater Brisbane average of 36 and the Australian average of 38. Residents aged 45 to 54 are highly represented at 20.3% of the community, while those aged 25 to 34 are less common at 3.3%. The concentration of residents aged 45 to 54 is higher than the national share of 12.0%. Since the 2021 Census, the proportion of residents aged 75 to 84 has risen from 2.7% to 4.5%, and the group aged 85 and over has increased from 1.0% to 2.3%. In contrast, the group aged 35 to 44 fell from to , and the cohort aged to decreased from to . Population projections for point to shifts in the age structure. The group aged and over is projected to grow by (representing an increase of people), rising from to . The combined cohorts aged and over are expected to account for all of the area's population growth, pointing to a graying demographic. Conversely, the cohorts aged to and to are projected to contract.

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Mount Crosby currently has an estimated 87 children under 5 years old, comprising approximately 52 children aged 0-2 and 34 children aged 3-4. This cohort grew by an estimated 10% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 15% by 2041 (to approximately 74 children). Meanwhile the 5-12 cohort currently amounts to 216. While growth has been positive birth rates observed in the area have been moderate, with approximately 8.4 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 30% of areas assessed nationally. This rate has slowed down slightly in recent years however.