Thorneside

An assessment of population growth drivers in Thorneside reveals an overall ranking slightly below national averages considering recent, and medium term trends

Thorneside's population, as of May 2026, is approximately 4,020. This figure represents an increase of 143 people since the 2021 Census, which recorded a population of 3,877. The growth from June 2025 to May 2026 is inferred from ABS data showing an estimated resident population of 4,020 and five new validated addresses added post-Census. This results in a density ratio of 1,505 persons per square kilometer, exceeding the average across national locations assessed by AreaSearch. Over the past decade, Thorneside has shown steady growth with a compound annual growth rate of 0.5%, outperforming its SA3 area. Overseas migration contributed approximately 64.9% to overall population gains during recent periods.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered and years post-2032, Queensland State Government's SA2 area projections from 2023, based on 2021 data, are adopted. These state projections lack age category splits; hence proportional growth weightings aligned with ABS Greater Capital Region projections (released in 2023, based on 2022 data) are applied for each age cohort. Future population trends anticipate lower quartile growth across statistical areas nationwide. Thorneside is expected to expand by 50 persons to reach a total of approximately 4,070 by 2041, reflecting an increase of about 1.2% over the 16-year period based on latest annual ERP population numbers.

Residential development activity is lower than average in Thorneside according to AreaSearch's national comparison of local real estate markets

Thorneside averaged approximately 11 new dwelling approvals annually over the past five financial years, from FY21 to FY25, with a total of 57 homes approved during this period. In FY26, up to the present time, 8 dwellings have been approved.

Each year, for every dwelling built, an average of 2 new residents were gained in Thorneside over these five financial years. The average expected construction cost value of new homes was $330,000. Comparatively, Thorneside had 14.0% less new development per person than Greater Brisbane during this period. Nationally, it ranked at the 27th percentile among assessed areas, suggesting somewhat limited buyer options for new dwellings while strengthening demand for established homes.

This is consistent with the area's established nature and may indicate potential planning limitations. All new construction in Thorneside over these years consisted of detached houses, maintaining the area's traditional suburban character focused on family homes. Notably, developers have been building more traditional houses than the current mix suggests (64.0% at Census), indicating strong demand for family homes despite density pressures. With around 585 people per dwelling approval, Thorneside reflects a highly mature market. According to AreaSearch's latest quarterly estimate, population forecasts indicate Thorneside will gain approximately 50 residents by 2041. Based on current development patterns, new housing supply should readily meet demand, potentially facilitating further population growth beyond current projections and offering good conditions for buyers.

Thorneside has emerging levels of nearby infrastructure activity, ranking in the 38thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified one major project expected to affect this region. Key projects include Eastwood Birkdale, Redland Hospital Expansion, Redlands Coast Smart and Connected City Strategy, and Cleveland Line Duplication (Park Road to Cleveland). The following list details those most relevant.

Professional plan users can use the search below to filter and access additional projects.

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Employment performance in Thorneside exceeds national averages across key labour market indicators

Thorneside has a skilled workforce with notable representation in essential services sectors. Its unemployment rate was 3.6% as of December 2025, which is 0.5% lower than Greater Brisbane's rate of 4.1%. Employment growth over the past year was estimated at 5.3%.

As of December 2025, 2,321 residents were employed, with a workforce participation rate of 72.8%, slightly higher than Greater Brisbane's rate of 69.6%. According to Census responses, 17.0% of residents worked from home. Leading employment industries include health care & social assistance, construction, and education & training. Construction stands out with employment levels at 1.4 times the regional average.

Conversely, accommodation & food services employ only 4.6% of local workers, below Greater Brisbane's rate of 6.7%. The predominantly residential area may offer limited local employment opportunities, as suggested by the ratio of Census working population to resident population. Between December 2024 and December 2025, employment levels increased by 5.3%, while labour force grew by 5.4%, leading to a slight rise in unemployment rate by 0.1 percentage points. In comparison, Greater Brisbane recorded employment growth of 3.2% and labour force growth of 3.0%, with a fall in unemployment rate by 0.1 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project overall employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Thorneside's employment mix suggests local employment should increase by 6.5% over five years and 13.4% over ten years, though this is a simple weighting extrapolation for illustrative purposes and does not consider localised population projections.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

ThorneSide SA2 had a median taxpayer income of $58,959 and an average of $69,206 in the latest postcode level ATO data aggregated by AreaSearch for financial year 2023. This was slightly above the national average, contrasting with Greater Brisbane's median income of $58,236 and average income of $72,799. Based on Wage Price Index growth of 11.36% since financial year 2023, current estimates would be approximately $65,657 (median) and $77,068 (average) as of March 2026. According to the 2021 Census figures, personal income ranked at the 54th percentile ($827 weekly), while household income was at the 35th percentile. The data showed that the $1,500 - 2,999 bracket dominated with 30.1% of residents (1,210 people), mirroring regional levels where 33.3% occupied this bracket. Housing affordability pressures were severe, with only 82.6% of income remaining, ranking at the 34th percentile. The area's SEIFA income ranking placed it in the 5th decile.

Thorneside displays a diverse mix of dwelling types, with above-average rates of outright home ownership

Thorneside's dwelling structures, as per the latest Census, consisted of 63.6% houses and 36.4% other dwellings. In comparison, Brisbane metro had 73.5% houses and 26.5% other dwellings. Home ownership in Thorneside was at 34.0%, with mortgaged dwellings at 36.8% and rented ones at 29.1%. The median monthly mortgage repayment was $1,787, lower than Brisbane metro's $1,863. The median weekly rent figure in Thorneside was $370, compared to Brisbane metro's $380. Nationally, Thorneside's mortgage repayments were below the Australian average of $1,863 and rents were less than the national figure of $375.

Thorneside has a typical household mix, with a lower-than-average median household size

Family households constitute 67.0% of all households, including 24.8% couples with children, 26.4% couples without children, and 15.2% single parent families. Non-family households account for the remaining 33.0%, with lone person households at 29.6% and group households comprising 3.2%. The median household size is 2.3 people, which is smaller than the Greater Brisbane average of 2.6.

The educational profile of Thorneside exceeds national averages, with above-average qualification levels and academic performance metrics

Thorneside trail residents aged 15+ have 22.4% university degree holders compared to Greater Brisbane's 30.5%. Bachelor degrees are most common at 16.0%, followed by postgraduate qualifications (3.6%) and graduate diplomas (2.8%). Vocational credentials are held by 41.0%, including advanced diplomas (11.9%) and certificates (29.1%). Educational participation is high, with 26.3% currently enrolled in formal education: primary (10.0%), secondary (7.7%), tertiary (3.3%).

Educational participation is notably high, with 26.3% of residents currently enrolled in formal education. This includes 10.0% in primary education, 7.7% in secondary education, and 3.3% pursuing tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Thorneside has 26 active public transport stops offering a mix of train and bus services. These are served by 26 different routes, collectively facilitating 1,651 weekly passenger trips. Transport accessibility is rated excellent with residents typically located 184 metres from the nearest stop. As primarily residential, most commute outward. Car remains dominant at 87%, with 9% using train. Average vehicle ownership per dwelling is 1.3.

According to the 2021 Census, 17.0% of residents work from home, possibly due to COVID-19 conditions. Service frequency averages 235 trips daily across all routes, approximately 63 weekly trips per stop.

Health performance in Thorneside is lower than average with common health conditions somewhat prevalent across both younger and older age cohorts

Thorneside faces significant health challenges based on AreaSearch's assessment. Mortality rates and chronic condition prevalence were found to be somewhat prevalent across both younger and older age cohorts.

The rate of private health cover in Thorneside is approximately 53% of the total population (~2,142 people), slightly higher than the average SA2 area but lower than Greater Brisbane's 55.8%. Mental health issues and arthritis were found to be the most common medical conditions, impacting 10.2 and 8.8% of residents respectively. However, 64.2% of residents declared themselves completely clear of medical ailments, compared to 69.2% across Greater Brisbane. The working-age population faces notable health challenges with elevated chronic condition rates. Thorneside has a higher proportion of seniors aged 65 and over at 22.2%, compared to Greater Brisbane's 15.1%. Health outcomes among seniors in Thorneside are above average, ranking even higher than the general population nationally.

Thorneside ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Thorneside, as per the census on 28 August 2016, had a population with 78.5% born in Australia, 89.8% being citizens, and 93.3% speaking English only at home. Christianity was the predominant religion, accounting for 48.1% of Thorneside's population, compared to 47.8% across Greater Brisbane. The top three ancestry groups were English (30.1%), Australian (27.9%), and Irish (9.1%).

Notably, New Zealanders made up 1.2%, Russians 0.6%, and Germans 5.0% of Thorneside's population, each exceeding their regional percentages by 0.2%.

Thorneside's population is slightly older than the national pattern

Thorneside has a median age of 41, which is higher than Greater Brisbane's figure of 36 and Australia's figure of 38. The 65-74 age cohort is notably over-represented in Thorneside at 11.4%, compared to the Greater Brisbane average, while the 25-34 age group is under-represented at 10.2%. Between 2021 and present, the 75-84 age group has grown from 5.2% to 8.1% of the population, and the 15-24 cohort has increased from 9.2% to 11.7%. Conversely, the 25-34 cohort has declined from 12.4% to 10.2%, and the 55-64 group has dropped from 13.3% to 11.4%. By 2041, demographic modeling suggests significant changes in Thorneside's age profile. The 85+ age cohort is projected to surge dramatically, increasing by 182 people (168%) from 108 to 291. Notably, the combined 65+ age groups will account for 93% of total population growth, reflecting the area's aging demographic profile. Meanwhile, the 15-24 and 0-4 cohorts are expected to experience population declines.