Thorneside

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

Based on analysis of ABS population updates for the broader area, and new addresses validated by AreaSearch, the suburb of Thorneside's population is estimated at around 4020 as of May 2026. This reflects an increase of 143 people (3.7%) since the 2021 Census, which reported a population of 3877 people. The change is inferred from the resident population of 4020, estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2025 and an additional 5 validated new addresses since the Census date. This level of population equates to a density ratio of 1505 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Over the past decade, Thorneside has demonstrated resilient growth patterns with a compound annual growth rate of 0.5%, outpacing the SA3 area. Population growth for the suburb was primarily driven by natural growth that contributed approximately 53.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, Queensland State Government's SA2 area projections, released in 2023 and based on 2021 data, are adopted. It should be noted that these state projections do not provide age category splits; hence where utilised, AreaSearch is applying proportional growth weightings in line with the ABS Greater Capital Region projections (released in 2023, based on 2022 data) for each age cohort. As future population trends are examined, lower quartile growth of statistical areas analysed by AreaSearch is anticipated, with the suburb expected to increase by 48 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 1.2% in total over the 16 years.

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

Thorneside has recorded approximately 11 residential properties granted approval per year. Between financial years FY21 and FY25, around 57 homes were approved, with an additional 8 approved in FY26 to date.

On average, each dwelling accommodates about 2 new residents annually over the past five financial years. The average construction value of these dwellings is $385,000, higher than regional norms, indicating quality-focused development. Compared to Greater Brisbane, Thorneside has 14.0% lower construction activity per person and ranks in the 28th percentile nationally, suggesting relatively constrained buyer choice. Recent building activity consists solely of detached dwellings, maintaining the area's traditional suburban character.

Interestingly, developers are constructing more traditional houses than the current mix suggests, indicating strong demand for family homes despite density pressures. With around 573 people per approval, Thorneside shows a mature, established area. Future projections estimate an addition of 48 residents by 2041. At current development rates, new housing supply should comfortably meet demand, providing good conditions for buyers and potentially supporting growth beyond current population projections.

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

Infrastructure changes significantly influence local performance. AreaSearch identified one major project impacting the area: Eastwood Birkdale. Key projects include Eastwood Birkdale, Redland Hospital Expansion, Redlands Coast Smart and Connected City Strategy, and Cleveland Line Duplication (Park Road to Cleveland).

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 employment environment in Thorneside shows above-average strength when compared nationally

Thorneside has a skilled workforce with essential services sectors well represented. The unemployment rate was 3.6% in the past year, with an estimated employment growth of 5.3%. As of December 2025, 2,321 residents were employed, and the unemployment rate was 0.5% lower than Greater Brisbane's rate of 4.1%.

Workforce participation was 72.3%, compared to Greater Brisbane's 69.6%. According to Census responses, 17.0% of residents worked from home, though Covid-19 lockdown impacts should be considered. Key industries of employment among residents were health care & social assistance, construction, and education & training. Construction had a particularly strong presence with an employment share 1.4 times the regional level, while accommodation & food had limited presence at 4.6% compared to the regional 6.7%.

The area offers limited local employment opportunities, as indicated by the count of Census working population versus resident population. In the 12-month period ending May-25, employment increased by 5.3%, labour force by 5.4%, and unemployment rose by 0.1 percentage points. By comparison, Greater Brisbane recorded employment growth of 3.2%, labour force growth of 3.0%, with unemployment falling 0.1 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project national employment to expand by 6.6% over five years and 13.7% over ten years, but growth rates differ significantly between industry sectors. 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 take into account localised population projections.

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 on 30 June 2023, Thorneside had a median income among taxpayers of $55,492 and an average income of $66,152. These figures are just below the national averages of $58,236 and $72,799 respectively across Greater Brisbane. Based on Wage Price Index growth of 11.36% since financial year 2023, current estimates for Thorneside would be approximately $61,796 (median) and $73,667 (average) as of March 2026. According to the 2021 Census figures, personal income ranks at the 54th percentile ($827 weekly), while household income sits at the 35th percentile. In terms of income distribution, 30.1% of locals (1,210 people) fall within the $1,500 - 2,999 category. Housing affordability pressures are severe in Thorneside, with only 82.6% of income remaining after housing costs, ranking at the 34th percentile. The area's SEIFA income ranking places it in the 5th decile.

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

Thorneside's dwelling structure in the latest Census showed 63.6% houses and 36.4% other dwellings, compared to Brisbane metro's 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, below Brisbane metro's average of $1,863. Median weekly rent in Thorneside 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 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 comprise the remaining 33.0%, with lone person households at 29.6% and group households at 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's residents aged 15+ have 22.4% with university degrees, compared to Greater Brisbane's 30.5%. Bachelor degrees are most common (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%), and 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 stops are served by 26 different routes, collectively facilitating 1,651 weekly passenger trips. Transport accessibility is rated excellent, with residents on average located 184 meters from the nearest stop. Residents predominantly commute outward due to Thorneside's residential nature. Car remains the dominant transport mode at 87%, while train usage stands at 9%. Vehicle ownership averages 1.3 per dwelling.

According to the 2021 Census, 17% of residents work from home, potentially influenced by COVID-19 conditions. Service frequency across all routes averages 235 trips per day, equating to roughly 63 weekly trips per individual 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 are high, with common health conditions prevalent across both younger and older age cohorts.

Private health cover is approximately 53% of the total population (~2,147 people), compared to 55.8% across Greater Brisbane. The most common medical conditions are mental health issues (10.2%) and arthritis (8.8%). 64.2% of residents claim to be 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 22.7% of residents aged 65 and over (912 people), higher than the 15.1% in Greater Brisbane. Health outcomes among seniors are above average, ranking 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 2016 Census, had a cultural diversity index below the national average. Its population was predominantly born in Australia, with 78.5%. Citizenship stood at 89.8%, and English spoken at home was 93.3%.

Christianity was the primary religion, practiced by 48.1% of residents, slightly higher than Greater Brisbane's 47.8%. In terms of ancestry, English (30.1%), Australian (27.9%), and Irish (9.1%) were the top three groups. Notable disparities existed in New Zealand (Thorneside: 1.2%, Regional: 1.0%), Russian (Thorneside: 0.6%, Regional: 0.3%), and French (Thorneside: 0.7%, Regional: 0.5%) ancestry representation.

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 marginally higher than Australia's median age of 38 years. Compared to the Greater Brisbane average, Thorneside has an over-representation of the 65-74 age cohort (11.6% locally) and an under-representation of the 25-34 year-olds (10.2%). Between 2021 and present, the population aged 75 to 84 grew from 5.2% to 8.3%, while those aged 15 to 24 increased from 9.2% to 11.7%. Conversely, the 25-34 age group declined from 12.4% to 10.2%, and the 55-64 group dropped from 13.3% to 11.5%. By 2041, demographic modeling suggests significant changes in Thorneside's age profile. The 85+ cohort is projected to surge by 183 people (163%), from 112 to 296. Notably, the combined 65+ age groups will account for 92% of total population growth, reflecting the area's aging demographic trend. Meanwhile, the 15-24 and 0-4 cohorts are expected to experience population declines.