Thorneside
At 1,454.3 people per sq km, Thorneside packs 3,877 residents into just 2.67 sq km, giving it a more compact profile than the broader Redlands setting around Birkdale and Wellington Point. The median age is 41, one year above the national comparison, while the average household has 2.3 people, 0.2 below the national figure. That combination points to an established, moderately dense suburb where smaller households and an aging trajectory shape demand. English ancestry is recorded for 1,645 residents, and 1,825 report no religion, reinforcing an Anglo-leaning, secular profile. Household income of $1,488 a week sits at the 46.5 percentile, close to the middle rather than a premium position.
Population
3,877
Median Age
41.0
Household IncomeiMedian weekly household income (ABS Census)
$1,488/wk
DAs (12 months)iDevelopment Applications lodged in the past year
0
Homebuyers face a practical family-housing mix rather than an apartment market. Separate houses account for 63.6% of dwellings and semi-detached homes 32.6%, while 3-bedroom stock represents 45.9% and 4-plus-bedroom homes 26.4%. Compared with apartment-led inner markets, this gives Thorneside more scope for buyers seeking a conventional house or townhouse, although condition and street position will matter across the 2.67 sq km footprint. The indicative mortgage cost is $1,787 per month versus weekly rent of $370. Mortgage payments equal 27.7% of household income, compared with a 24.9% rent-to-income ratio, so buyers should test repayments against their deposit, rates and maintenance budget.
For Buyers
Homebuyers face a practical family-housing mix rather than an apartment market. Separate houses account for 63.6% of dwellings and semi-detached homes 32.6%, while 3-bedroom stock represents 45.9% and 4-plus-bedroom homes 26.4%. Compared with apartment-led inner markets, this gives Thorneside more scope for buyers seeking a conventional house or townhouse, although condition and street position will matter across the 2.67 sq km footprint. The indicative mortgage cost is $1,787 per month versus weekly rent of $370. Mortgage payments equal 27.7% of household income, compared with a 24.9% rent-to-income ratio, so buyers should test repayments against their deposit, rates and maintenance budget.
For Investors
Investors get a $370 weekly rent signal, a 3.2% vacancy rate and a 29.1% renting share. Compared with a highly rental-dependent suburb, Thorneside's tenure mix suggests a larger owner-occupier base, which can support steadier local demand but may limit the depth of the tenant pool. Rental conditions have recorded 12.1% growth, while overseas migration is the primary forecast driver, creating a potential demand tailwind for well-located homes. Development activity totals 0 projects over the past 12 months, so new-supply pressure appears limited in the near term. The area is classified as Not gentrifying, with a score of 0, meaning investors should focus on yield, maintenance and exact-property fundamentals rather than assuming rapid repricing.
Demographics
Thorneside's population profile is older and less university-qualified than the national comparison: median age is 41, one year above national, while university attainment is 27.7%, 2.4 percentage points below national. Overseas-born residents account for 21.5%, just 0.1 points below the national comparison. English ancestry leads at 1,645 people, followed by Irish at 496 and Scottish at 490. Compared with more migrant-heavy parts of greater Brisbane, this is a relatively Anglo-leaning profile. Household size averages 2.3, or 0.2 below national, because couples without children make up 39.9% of families, while couples with children account for 36.1%. A 75.1% stay rate points to more continuity than churn.
Age Distribution
Bedrooms
Dwelling Structure
63.6%
Houses
32.6%
Townhouse
1.2%
Apartment
Tenure
Thorneside's housing is weighted toward established, low-rise dwellings. Separate houses make up 63.6% and semi-detached homes 32.6%, while apartments account for only 1.2%. The largest bedroom group is 3-bedroom homes at 45.9%, followed by 4-plus bedrooms at 26.4%, so the stock suits households wanting more space than a compact unit. Compared with apartment-heavy suburbs, the ownership pattern is settled: 33.3% own outright and 36.6% have a mortgage, against 29.1% renting. Average household size is 2.3, lower than the national comparison by 0.2, which may reflect older residents and couples without children living in larger dwellings. Housing costs are moderate on aggregate, with mortgage-to-income at 27.7% and rent-to-income at 24.9%. Buyers should use recent comparable sales for the exact property because prices can vary across the 2.67 sq km footprint.
Mortgage / mo
$1,787
Rent / wkiABS Census 2021 median across all dwelling types. Current market rents are typically higher.
$370
Census 2021
HH Size
2.3
Personal Income / wk
$827
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
3.2%
Unoccupied
54
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
24.9%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
27.7%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
36.1%
Couples with children
39.9%
Couples, no children
22.8%
Single parent
1,107
Total families
Economy & Employment
Thorneside's economic base combines essential services with hands-on and professional work. Healthcare is the largest industry at 17.9% or 231 workers, followed by construction at 12.5% and 161, education at 11.8% and 152, professional and technical services at 7.4% and 96, and manufacturing at 6.7% and 87. Occupations reinforce that mix: professionals number 379, trades 298, clerical and administrative workers 279, managers 238, and community and personal service workers 228. Participation is 64.0%, unemployment 5.5%, and full-time employment 61.8%, with 1,169 working full time and 556 part time. Compared with high-income enclaves, household income sits near the middle at the 46.5 percentile. All four SEIFA measures sit in decile 5: IEO, IER, IRSD and IRSAD, indicating neither a pronounced advantage nor disadvantage.
Unemployment
5.5%
Labour Force
2,004
Unemployed
111
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
61.8%
Part-time
29.4%
Participation
64.0%
Employed
1,893
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
27.7%
Postgraduate
5.1%
Born Overseas
21.5%
Dwellings
1,619
Transport to Work
Thorneside suits residents comfortable with a car-oriented daily routine. Car driving accounts for 71.4% of travel to work, compared with 5.4% using public transport and 1.2% walking or cycling; 17.8% work from home. That pattern can make regional trips practical for drivers, but households without a car should test routes to work, shops and services because active and public transport shares are much lower. The suburb has 3,877 residents in 2.67 sq km, creating a density of 1,454.3 people per sq km and a compact footprint. Families should verify nearby school options, sectors and enrolment zones against the exact address. Social conditions sit around the middle, with an IRSAD decile of 5, while 14.9% volunteer, supporting local participation. Compared with inner suburbs, the transport profile is less walk and transit oriented, so convenience depends more on location and vehicle access.
Drive
71.4%
Public Transport
5.4%
Walk / Cycle
1.2%
Work from Home
17.8%
Population Forecast
+0.57%/yr
(+23 people/yr)
EstablishedThorneside is an established suburb with a measured growth profile rather than a rapid expansion cycle. The forecast trend is 0.57% annually, while population change across the wider area is 9.2% over 10 years. Overseas migration is the primary growth driver, which may gradually refresh demand even as the local trajectory is classified as Aging. The senior share has increased by 7.0 percentage points and the working share has fallen 4.5 points, so future housing demand is likely to lean toward accessibility, low-maintenance homes and nearby services. Compared with a fast-growth development corridor, the signal is steadier: gentrification is scored at 0 and classified as Not gentrifying. Rent growth of 12.1% and an Improving affordability trend, moving from 49.3 in 2011 to 44.7 in 2021, point to changing conditions without a clear redevelopment-led transformation.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Overseas Migration
Net Overseas / yr
+28
Net Internal / yr
-25
Gentrification Signal
Not gentrifying
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Thorneside compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Thorneside a good suburb to live in?
Thorneside can suit households seeking established low-rise housing and a quieter, car-oriented routine. It has 3,877 residents, a 2.3-person average household size and an IRSAD decile of 5. Separate houses account for 63.6% of dwellings, while 71.4% of commuters drive, so lifestyle fit depends on transport needs.
What is the median house price in Thorneside?
A current median house price cannot be quoted confidently for Thorneside, so buyers should use recent comparable sales for the exact street and property type. The housing mix is 63.6% separate houses and 32.6% semi-detached homes, with 45.9% of dwellings containing 3 bedrooms.
What schools are in Thorneside?
Families should verify which primary and secondary schools serve Thorneside, along with sector choices and enrolment zones, because catchments can cross suburb boundaries. The suburb has 3,877 residents, but school access and availability should be confirmed against the exact address before signing a lease or contract.
Is Thorneside safe?
A suburb-wide crime rate cannot be quoted confidently for Thorneside, so check current Queensland Police information and inspect the exact street at different times before deciding. Thorneside has 3,877 residents and a density of 1,454.3 people per sq km, meaning local conditions may vary around busier routes and facilities.
Is Thorneside good for property investment?
Thorneside may suit investors seeking established housing, but the case depends on purchase price and property condition. Weekly rent is $370, vacancy is 3.2%, and 29.1% of households rent. Rent growth is 12.1%, while development activity totals 0 projects over 12 months, so investors should test yield against maintenance and finance costs.
How is Thorneside's population changing?
Population change is steady rather than rapid. The forecast trend is 0.57% a year, and the wider area recorded 9.2% change over 10 years. Overseas migration is the primary driver, while the local trajectory is Aging and the senior share has risen 7.0 percentage points. Gentrification is scored at 0 and classified as Not gentrifying.
How to read these comparisons
Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.
Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.
Data sources: ABS 2021 Census (demographics, income, tenure), state education open registers (school locations), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.
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