Thornlands (Qld)

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Recent estimates as of May 2026 place the population of the suburb of Thornlands at approximately 22,025, drawing on ABS regional datasets and new addresses validated by Districts. Compared to the 2021 Census population count of 19,263, this represents an expansion of 2,762 individuals, or 14.3%. The figures stem from an Districts calculation of 21,863 residents utilizing the ABS June 2025 ERP release, coupled with 424 validated new addresses added after the census. This population size yields a density of 1,017 persons per square kilometer, matching typical benchmarks observed by Districts. The suburb of Thornlands outpaced both the broader SA4 region's 8.3% expansion rate and national benchmarks, establishing itself as a local growth hotspot. This demographic rise was heavily supported by interstate relocations, which accounted for roughly 53.0% of the net population increase, with positive contributions also coming from international arrivals and natural increases.

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A highly trained workforce characterizes the locality, with strong representation in basic services, an unemployment rate sitting at 2.0%, and a job growth rate of 3.8% over the past year. By March 2026, working residents numbered 13,403, and the local unemployment rate was 2.3% lower than the 4.3% reported for Greater Brisbane, while the participation rate of 78.3% significantly exceeded the regional average of 70.4%. Census figures indicate that a modest 17.2% of the working population performed their duties from home, though this may reflect temporary pandemic restrictions.

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Taxpayer data from the financial year 2023 indicates the area enjoys higher income levels than the national average. The median income among taxpayers is $57,898 and the average income is $71,035, compared to Greater Brisbane averages of $58,236 and $72,799. Adjusting for a 11.36% increase in the Wage Price Index since financial year 2023, current estimates for March 2026 stand at roughly $64,475 for the median and $79,105 for the average. In the 2021 Census, household, family, and individual incomes placed the area in the 74th percentile nationwide. The dominant weekly earnings bracket is $1,500 - 2,999, containing 36.9% of residents (8,127 people), similar to the 33.3% regional average. High earnings are evident with of households bringing in over weekly, which underpins premium retail demand. Mortgage and rent costs account for of income, yet strong earnings keep disposable income in the th percentile, and the SEIFA index puts the area in the th decile.

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At the time of the last Census, the local housing stock consisted of 87.4% houses and 12.6% other options like townhouses and apartments, compared to metro Brisbane where houses made up 73.5% and alternative options comprised 26.5%. Home ownership stood at 25.3%, trailing the metropolitan average, while mortgaged properties accounted for 48.0% and rented properties made up 26.6%. The median monthly mortgage payment was $2,167, and the median weekly rent was $470, both tracking well ahead of the metropolitan averages of $1,863 and $380. Compared to national statistics, mortgage payments are notably higher than the Australian average of $1,863, and rents are higher than the national standard of $375.

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Families make up 84.2% of all households, consisting of couples with children at 43.3%, couples without children at 28.0%, and single-parent homes at 12.0%. The remaining 15.8% are non-family households, including lone-person households at 13.9% and group living arrangements at 1.9%. The median occupancy is 2.9 individuals, higher than the regional average of 2.6.

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The proportion of residents with tertiary qualifications is lower than the regional average, with 21.9% of citizens aged 15+ holding a university degree compared to 30.5% in Greater Brisbane. Bachelor degrees are held by 15.5% of the population, followed by postgraduate degrees at 4.0% and graduate diplomas at 2.4%. Vocational education is prominent, with 42.0% of residents aged 15+ holding trade credentials, including 13.8% with advanced diplomas and 28.2% with certificates.

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Public transport services include 69 stops across the area serviced by bus routes. These stops accommodate 11 routes, which combine to offer 734 passenger trips each week. Transport access is rated as good, with homes situated an average of 347 meters from the nearest stop. Because the area is mostly residential, the majority of workers commute to other areas, and cars remain the main mode of travel for 93% of workers. Household vehicle ownership averages 1.9 cars, higher than the regional average, and 17.2% of residents work from home based on the 2021 Census, which may reflect pandemic restrictions.

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Health indicators for the local population are positive, with death rates and chronic illness statistics matching national averages. While common health issues are infrequent in the general population, they track higher than national averages among older cohorts. Private health insurance membership is very high, covering approximately 55% of residents, representing roughly 12,190 people.

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Cultural diversity indicators are above average, with 26.3% of the population born abroad and 9.2% using a language other than English at home. The dominant religious affiliation is Christianity, representing 52.4% of citizens. The most notable religious overrepresentation is Judaism, which accounts for 0.1% of the population, matching the 0.1% recorded across Greater Brisbane.

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The median age of 36 years matches the metropolitan Brisbane average, which is younger than the national median of 38 years. Children aged 5 - 14 make up 14.5% of the population, showing strong representation, while young adults aged 25 - 34 are less common at 10.4%. Since 2021, the 75 to 84 cohort grew from 4.2% to 5.5%, while the 25 to 34 group dropped from 12.0% to 10.4%. By 2041, demographic models suggest the 45 to 54 cohort will grow by 854 people, or 28%, rising from 3,039 to whereas declines are expected in the to and to groups.

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Thornlands currently has an estimated 1,255 children under 5 years old, comprising approximately 751 children aged 0-2 and 499 children aged 3-4. This cohort grew by an estimated 2% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 8% by 2041 (to approximately 1,152 children). Meanwhile the 5-12 cohort currently amounts to 2,546. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.8 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally.