Deagon (Qld)

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Based on evaluation of ABS demographic releases for the surrounding region alongside address registers verified by Districts post-Census, the suburb of Deagon has an estimated residency of 4,034 individuals in May 2026. This indicates a rise of 261 residents (6.9%) relative to the 2021 Census, when the headcount stood at 3,773 people. The calculation is derived from the resident figure of 4,034, calculated by Districts through analysing the ABS June 2025 ERP data set combined with 37 validated new addresses added since the Census. Such a population size results in a density of 1,430 persons per square kilometer, which exceeds the typical density of domestic locations studied by Districts. The post-Census expansion of 6.9% in Deagon trails the wider SA3 region (7.7%) by 0.8 percentage points, showing solid underlying growth. Growth was heavily underpinned by migration from other states, which accounted for roughly 39.0% of the demographic increase, though natural growth and overseas arrivals also made positive contributions.

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Based on Districts' consolidated statistical data, Deagon is home to a qualified workforce with strong representation in core services, an unemployment rate of 5.8%, and a 7.4% expansion in jobs over the past year. In March 2026, employed residents numbered 2,340, with unemployment tracking 1.5% higher than the Greater Brisbane rate of 4.3%. The participation rate of 73.7% is slightly above the metro average of 70.4%. Census records indicate that 21.1% of working residents performed their jobs from home, although this figure was likely impacted by pandemic lockdowns.

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According to tax data from the ATO for financial year 2023 aggregated by Districts, Deagon residents recorded a median taxpayer income of $56,530 and an average income of $67,648. These figures align closely with national benchmarks, comparing to $58,236 (median) and $72,799 (average) across the Greater Brisbane area. Adjusting for a Wage Price Index increase of 11.36% since financial year 2023 yields estimated values of $62,952 for the median and $75,333 for the average as of March 2026. The 2021 Census shows that family, household, and individual earnings in the area are modest, placing between the 41st and 55th percentiles nationally. Income distribution figures indicate that 29.4% of residents (1,185 people) earn between $1,500 - 2,999, which is comparable to the share seen regionally. Financial stress from housing costs is high, with residents retaining only of their income, placing the area in the th percentile and the th decile of the SEIFA income index.

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At the time of the latest Census, the local housing mix consisted of 87.9% standalone houses and 12.2% alternative housing types (including townhouses, apartments, and other dwellings), compared to the Brisbane metro breakdown of 73.5% houses and 26.5% other dwellings. The rate of outright home ownership stood at 28.6%, which is higher than the Brisbane metro average, with mortgaged properties accounting for 41.4% and rentals making up 30.0%. The median monthly mortgage payment was $1,846, which is lower than the metropolitan average of $1,863, while the median weekly rent was $350, compared to Brisbane metro averages of $1,863 and $380 respectively. Nationally, local mortgage costs sit below the Australian average of $1,863, and weekly rents are lower than the national figure of $375.

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Families make up 64.2% of all households, consisting of couples with children at 27.7%, couples without children at 22.3%, and single-parent homes at 12.3%. Non-family households account for the remaining 35.8%, with single-person households representing 32.3% and shared group houses making up 3.9% of the total. The median household size of 2.3 individuals is smaller than the Greater Brisbane average of 2.6.

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The proportion of residents with tertiary qualifications in Deagon lags behind regional levels, with 25.2% of those aged 15+ holding a university degree compared to 33.8% in the SA4 region. This difference indicates room for future educational growth. Among university graduates, Bachelor degrees are the most common at 17.4%, followed by postgraduate degrees at 4.6% and graduate diplomas at 3.2%. Vocational skills are highly represented, with 36.7% of residents aged 15+ holding technical qualifications, split between advanced diplomas (10.6%) and certificates (26.1%).

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An audit of public transport shows 26 active transit stops in Deagon, including both rail and bus options. These stops are serviced by 24 separate routes that combine to provide 1,895 weekly passenger trips. Access to transport is rated as excellent, with residents living an average of 192 meters from the nearest stop. Due to the suburban nature of the area, most residents travel elsewhere for work, with private cars remaining the primary option at 81%, and trains accounting for 11%. Car ownership averages 1.2 vehicles per household, which is below the wider regional average. Additionally, 21.1% of residents worked from home, according to the 2021 Census, which may reflect pandemic-related conditions.

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Analysis of mortality rates and the prevalence of chronic illnesses by Districts shows that Deagon face notable medical difficulties across both young and old cohorts, while the level of private health insurance coverage is high, representing roughly 54% of the population (~2,178 people).

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Deagon exhibits lower cultural diversity than average, with Australian-born residents making up 80.7% of the population, citizens accounting for 89.4%, and English-only speakers representing 92.8% at home. Christianity is the dominant religion, practiced by 48.2% of the local population. However, the most distinct variation is in the Other category, which accounts for 0.7% of residents compared to 1.3% in Greater Brisbane.

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Deagon's median age of 42 years is higher than the Greater Brisbane average of 36 and the national median of 38. The 45 - 54 age bracket is highly represented at 16.4% compared to Greater Brisbane, while the 25 - 34 bracket is underrepresented at 10.8%. Since the 2021 Census, the 75 to 84 cohort has increased from 5.5% to 7.3% of the population, whereas the 65 to 74 group has shrunk from 10.6% to 9.1%. Long-term modeling indicates significant changes to the age profile by 2041. The 75 to 84 group is set to grow fastest at 44%, gaining 129 people to reach . This aging trend is highlighted by the fact that residents aged and older represent of the projected growth. Conversely, population drops are predicted for both the to and to brackets.

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Deagon currently has an estimated 197 children under 5 years old, comprising approximately 116 children aged 0-2 and 77 children aged 3-4. This cohort grew by an estimated 9% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 12% by 2041 (to approximately 173 children). Meanwhile the 5-12 cohort currently amounts to 382. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.3 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.