Thorneside

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

As of February 2026, the estimated population of the suburb of Thorneside is around 4,034. This figure reflects an increase of 157 people since the 2021 Census, which reported a population of 3,877. The latest resident population estimate by AreaSearch, based on ERP data release from ABS in June 2024 and additional validated new addresses, is 4,028. This results in a population density ratio of 1,510 persons per square kilometer, higher than the average across national locations assessed by AreaSearch. Over the past decade ending in 2026, Thorneside has shown resilient growth patterns with a compound annual growth rate of 0.5%, outpacing the SA3 area. Natural growth contributed approximately 53.0% of overall population gains during recent periods.

For projections, AreaSearch adopts ABS/Geoscience Australia data released in 2024 with a base year of 2022 for each SA2 area. For areas not covered by this data and years post-2032, Queensland State Government's SA2 area projections released in 2023 based on 2021 data are used, applying proportional growth weightings from ABS Greater Capital Region projections released in 2023 based on 2022 data for each age cohort. Looking ahead, lower quartile growth is anticipated for statistical areas analysed by AreaSearch, with the suburb of Thorneside expected to expand by 89 persons to 2041, reflecting an increase of 2.1% in total over the 17 years.

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

Thorneside recorded approximately 11 residential properties granted approval annually between FY-21 and FY-25. Around 57 homes were approved in the past five financial years, with an additional 8 approved so far in FY-26.

On average, each dwelling accommodated around 2 new residents per year over the past five financial years. The average construction value of these dwellings was $385,000. Compared to Greater Brisbane, Thorneside had 14.0% lower construction activity per person and ranked at the 28th percentile nationally in terms of building activity. Recent building activity consisted entirely of detached dwellings.

As of around FY-26, Thorneside had approximately 573 people per approval. Future projections estimate an addition of 83 residents by 2041. Current development rates suggest that new housing supply should meet demand comfortably, potentially supporting population growth beyond current projections.

Thorneside has very high levels of nearby infrastructure activity, ranking in the top 10% nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified one major project likely impacting this region: Eastwood Birkdale, Redland Hospital Expansion, Redlands Coast Smart and Connected City Strategy, and Cleveland Line Duplication (Park Road to Cleveland) are key projects, with the following list detailing those most relevant.

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

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

The labour market in Thorneside shows considerable strength compared to most other Australian regions

Thorneside has a skilled workforce with essential services sectors well represented. The unemployment rate was 3.3% in the past year, showing an estimated employment growth of 5.9%. As of September 2025, 2,309 residents are employed, with an unemployment rate of 3.4%, slightly below Greater Brisbane's rate of 4.0%.

Workforce participation is similar to Greater Brisbane at 70.6%. According to Census responses, 17.0% of residents work from home. Key industries of employment include health care & social assistance, construction, and education & training. Thorneside has a strong specialization in construction with an employment share of 1.4 times the regional level, while accommodation & food services have limited presence at 4.6%.

The area offers limited local employment opportunities as indicated by Census data comparing working population to resident population. In the 12-month period ending September 2025, employment increased by 5.9% alongside labour force growth of 6.0%, with unemployment remaining essentially unchanged at 3.4%. Greater Brisbane recorded employment growth of 3.8%, labour force growth of 3.3%, and a fall in unemployment of 0.5 percentage points to 3.5%. Jobs and Skills Australia's national employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Thorneside's employment mix, local employment is estimated to increase by 6.5% over five years and 13.4% over ten years.

The area's income profile falls below national averages based on AreaSearch analysis

According to AreaSearch's aggregation of latest postcode level ATO data released for financial year ended June 2023, Thorneside had a median income among taxpayers of $55,492 with the average level standing at $66,152. These figures are just below national averages which were $58,236 and $72,799 respectively for Greater Brisbane. Based on Wage Price Index growth of 9.91% since financial year ended June 2023, current estimates would be approximately $60,991 (median) and $72,708 (average) as of September 2025. According to Australian Bureau of Statistics Census data from 2021, personal income ranks at the 54th percentile with a weekly income of $827, while household income sits at the 35th percentile. The predominant income cohort spans 30.1% of locals (1,214 people) in the $1,500 - 2,999 category, reflecting patterns seen regionally where 33.3% similarly occupy this range. Housing affordability pressures are severe with only 82.6% of income remaining after housing costs, ranking at the 34th percentile. The area's Socio-Economic Indexes for Areas (SEIFA) income ranking places it in the fifth decile.

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

Thorneside's dwellings, as per the latest Census, were 63.6% houses and 36.4% other dwellings. Brisbane metro had 73.5% houses and 26.5% other dwellings. Home ownership in Thorneside was 34.0%, with mortgaged dwellings at 36.8% and rented ones at 29.1%. Median monthly mortgage repayments were $1,787, below Brisbane metro's $1,863. Median weekly rent was $370, compared to Brisbane metro's $380. Nationally, Thorneside's mortgage repayments were lower than 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 account for 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 constitute the remaining 33.0%, with lone person households at 29.6% and group households comprising 3.2% of the total. 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 degrees, 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.

This includes 10.0% in primary, 7.7% in secondary, and 3.3% in 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 stops are served by 26 different routes, collectively facilitating 1,651 weekly passenger trips. Transport accessibility is rated excellent with residents typically located 184 meters from the nearest stop. In this primarily residential area, most commuters travel outward using cars at an 87% rate, while trains account for 9%. On average, there are 1.3 vehicles per dwelling. According to the 2021 Census, 17.0% of residents work from home, which may be influenced by COVID-19 conditions.

The service frequency averages 235 trips daily across all routes, equating to approximately 63 weekly trips per individual stop.

Health outcomes in Thorneside are marginally below the national average with common health conditions slightly more prevalent than average across both younger and older age cohorts

Health indicators suggest below-average outcomes in Thorneside. Based on AreaSearch's assessment, mortality rates and chronic condition prevalence are higher than average.

Common health conditions are slightly more prevalent across both younger and older age cohorts. Private health cover stands at approximately 53% of the total population (~2,154 people), compared to 55.8% across Greater Brisbane. The most common medical conditions are mental health issues (impacting 10.2% of residents) and arthritis (8.8%). 64.2% of residents declare themselves completely clear of medical ailments, compared to 69.2% in Greater Brisbane. Working-age population faces notable health challenges with elevated chronic condition rates. The area has 23.3% of residents aged 65 and over (939 people), higher than the 15.2% in Greater Brisbane. Health outcomes among seniors are above average, with national rankings even higher than the general population.

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

Thorneside's cultural diversity was below average, with 78.5% born in Australia, 89.8% being citizens, and 93.3% speaking English only at home. Christianity was the main religion, comprising 48.1%, 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 were overrepresented at 1.2% versus 1.0%, Russians at 0.6% versus 0.3%, and French at 0.7% versus 0.5%.

Thorneside's median age exceeds 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 cohort is notably over-represented in Thorneside at 12.2%, compared to the Greater Brisbane average, while the 25-34 year-olds are under-represented at 9.3%. Between 2021 and present, the 75-84 age group has grown from 5.2% to 8.4% of the population, and the 15-24 cohort increased from 9.2% to 10.8%. Conversely, the 25-34 cohort declined from 12.4% to 9.3%, and the 55-64 group dropped from 13.3% to 11.8%. By 2041, demographic modeling suggests Thorneside's age profile will evolve significantly. The 85+ age cohort is projected to surge dramatically, expanding by 185 people (170%) from 108 to 294. Notably, the combined 65+ age groups are expected to account for 91% 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.