Sinnamon Park
A $590,000 median house price paired with household incomes in the 92.5th percentile nationally is an unusual combination, and it defines Sinnamon Park. The stock is overwhelmingly detached, with 85.6% separate houses and 65.3% carrying four or more bedrooms, so this is family-house territory rather than apartment country at just 4.7% units. The population of 6,590 skews older, with a median age of 45, which is 5.0 years above the national figure, and 39.2% were born overseas, 17.6 points above national. University qualifications reach 54.1%, 24.0 points above national, yet purchase costs stay moderate, which keeps mortgage-to-income at a comfortable 19.9%.
Population
6,590
Median Age
45.0
Household IncomeiMedian weekly household income (ABS Census)
$2,510/wk
DAs (12 months)iDevelopment Applications lodged in the past year
3
Median House
$590K
Estimated from rent (2025)
The $590,000 median buys a genuine family house here, because 85.6% of dwellings are separate houses and 65.3% have four or more bedrooms, the opposite of the apartment-heavy profile in inner Brisbane. Three-bedroom homes make up 28.6% and two-bedroom just 5.0%, so smaller buyers have limited choice. Affordability is the real draw: monthly mortgage repayments average $2,167 against household incomes in the 92.5th percentile, producing a mortgage-to-income ratio of 19.9%, well below the 30% stress threshold. That gap explains why mortgage holders (43.6%) outnumber outright owners (40.7%), a sign of active buyers entering rather than a settled, debt-free base. For a large detached home, the value relative to income is stronger than in most comparable Brisbane suburbs.
For Buyers
The $590,000 median buys a genuine family house here, because 85.6% of dwellings are separate houses and 65.3% have four or more bedrooms, the opposite of the apartment-heavy profile in inner Brisbane. Three-bedroom homes make up 28.6% and two-bedroom just 5.0%, so smaller buyers have limited choice. Affordability is the real draw: monthly mortgage repayments average $2,167 against household incomes in the 92.5th percentile, producing a mortgage-to-income ratio of 19.9%, well below the 30% stress threshold. That gap explains why mortgage holders (43.6%) outnumber outright owners (40.7%), a sign of active buyers entering rather than a settled, debt-free base. For a large detached home, the value relative to income is stronger than in most comparable Brisbane suburbs.
For Investors
Renters are a thin slice at 15.6%, which tells you Sinnamon Park is owner-occupier territory rather than a landlord market. Weekly rent of $460 against the $590,000 median implies a gross yield near 4.0%, healthier than premium inner-city suburbs where yields fall well below that. The 6.4% vacancy rate is moderate and the tenant pool is shallow, so demand is steady rather than deep. Population growth is slow at 0.45% a year, supported by balanced migration that adds about 62 overseas and 26 internal residents annually. Development is minimal at just three applications in 12 months, mostly subdivision and earthworks rather than new dwellings, so supply stays tight. With rent growth of 15.0% over the period, the case rests on yield and scarcity more than rapid capital expansion.
Development Activity
Total DAs
17
Last 12 Months
3
YoY ChangeiYear-over-year change in DA lodgements
-25.0%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
The median age of 45 runs 5.0 years above national, and the trajectory is firmly aging: the senior share rose 7.2 points while both the working-age and younger shares fell 3.6 points over the decade. Overseas-born residents reach 39.2%, which is 17.6 points above national, an internationally mixed profile despite the suburban setting. Ancestry leans Anglo-Celtic, led by English (2,175), Scottish (663) and Irish (629), with Chinese (552) a strong fifth, and the top non-English languages are Mandarin (137), Persian (68) and Cantonese (56). University qualifications at 54.1% sit 24.0 points above national. Average household size is 2.8, which is 0.3 above national, consistent with the family-with-children profile, since couples with children (2,341) outnumber couples without (1,407).
Age Distribution
Bedrooms
Dwelling Structure
85.6%
Houses
9.7%
Townhouse
4.7%
Apartment
Tenure
Tenure tilts toward buyers: 43.6% carry a mortgage, 40.7% own outright and only 15.6% rent. Mortgage holders outnumbering outright owners points to an active intake of new buyers rather than a settled retiree base. The stock is 85.6% separate houses with apartments at just 4.7%, and 65.3% of dwellings have four or more bedrooms against 28.6% with three, so the suburb is built for families needing space. The median house price of $590,000 stays moderate relative to the 92.5th-percentile household incomes, which keeps both stress measures low: mortgage-to-income at 19.9% and rent-to-income at 18.3%, both well below the 30% threshold. That affordability headroom is the structural reason buyers can target large detached homes here.
Mortgage / mo
$2,167
Rent / wk
$460
HH Size
2.8
Personal Income / wk
$902
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
6.4%
Unoccupied
152
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
18.3%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
19.9%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
25.4%
Couples, no children
5,549
Total families
Economy & Employment
The workforce concentrates in stable, service-driven sectors: Healthcare leads at 19.7% (480 workers), Education follows at 14.5% (353) and Professional/Tech at 13.5% (330), with Public Admin at 9.4% and Construction at 6.6%. By occupation, Professionals (1,174) and Managers (534) dominate, which aligns with the 54.1% university qualification rate, 24.0 points above national. Unemployment is low at 4.4% and the full-time rate is 67.1%. Participation reads a modest 56.5%, below what the income profile suggests, because the aging structure leaves 2,007 residents outside the labour force. One headwind stands out: real income growth was negative at -4.6% over the decade, so household purchasing power eroded slightly even as nominal incomes held in the top tier.
Unemployment
2.4%
Labour Force
5,318
Unemployed
128
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
67.1%
Part-time
28.5%
Participation
56.5%
Employed
2,964
Occupations
Top Industries
University
54.1%
Postgraduate
16.6%
Born Overseas
39.2%
Dwellings
2,196
Transport to Work
Daily life is car-centred: 87.2% of commuters drive, well above the national norm, while only 4.9% use public transport and 2.7% walk or cycle, reflecting the low-density layout at 2,245.8 residents per km2 across 2.93 km2. The mortgage-to-income ratio of 19.9% keeps living costs manageable for owners, and rent-to-income at 18.3% is comfortable for the 15.6% who rent, both below the 30% stress line. Community ties are moderate, with 16.4% volunteering and 79.7% of residents staying put rather than moving, a marker of stability. Around 9.8% of residents (630 people) need daily assistance, higher than younger suburbs, which follows directly from the median age of 45 sitting 5.0 years above national.
Drive
87.2%
Public Transport
4.9%
Walk / Cycle
2.7%
Work from Home
N/A
Population Forecast
+0.45%/yr
(+44 people/yr)
EstablishedSinnamon Park is an established, slow-growth suburb: annual population growth registers just 0.45%, about 44 people a year, and the 10-year change is a thin 2.1%. Migration is balanced rather than booming, adding roughly 62 overseas and 26 internal residents annually, so expansion is incremental. The profile is aging, with the senior share up 7.2 points and the working-age share down 3.6 points over the decade, which caps future household formation. The gentrification stage reads not gentrifying with a score of 0, fitting a settled detached-housing market with little churn at 79.7% of residents staying put. Affordability held broadly stable, easing from 48.5% in 2011 to 47.5% in 2021, so the suburb is neither rapidly pricing out nor opening up.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Balanced
Net Overseas / yr
+62
Net Internal / yr
+26
Gentrification Signal
Not gentrifying
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Sinnamon Park compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Sinnamon Park a good suburb to live in?
Sinnamon Park suits families seeking space, with 85.6% separate houses and 65.3% having four or more bedrooms. Household incomes sit in the 92.5th percentile nationally while the median house price is a moderate $590,000, keeping mortgage-to-income at 19.9%, well below the 30% stress threshold. The main trade-off is heavy car reliance at 87.2%.
What is the median house price in Sinnamon Park?
The median house price is $590,000, moderate relative to the 92.5th-percentile household incomes here. Monthly mortgage repayments average $2,167 and weekly rent runs about $460, giving a mortgage-to-income ratio of 19.9% and a rent-to-income ratio of 18.3%, both below the 30% stress line.
What schools are in Sinnamon Park?
No schools are recorded inside the 2.93 km2 Sinnamon Park boundary in this dataset, so families rely on schools in neighbouring suburbs. The local population is highly educated, with university qualifications at 54.1%, which is 24.0 points above the national figure.
Is Sinnamon Park safe?
Detailed crime statistics are not available for Sinnamon Park in this dataset. As an indirect indicator, residents are stable, with 79.7% staying put rather than moving and only 15.6% renting, both consistent with a settled owner-occupier area at a median age of 45.
Is Sinnamon Park good for property investment?
Rent of $460 a week against a $590,000 median gives a gross yield near 4.0%, healthier than premium inner-city suburbs. However only 15.6% of residents rent and population growth is slow at 0.45% a year, so returns lean on yield and scarcity rather than rapid capital growth.
How is Sinnamon Park's population changing?
Population growth is slow at 0.45% annually, about 44 people a year, with a 2.1% rise over 10 years. The profile is aging, with the senior share up 7.2 points and the working-age share down 3.6 points over the decade, driven by balanced migration adding around 62 overseas residents a year.
What languages are spoken in Sinnamon Park?
About 39.2% of residents were born overseas, 17.6 points above the national figure. English dominates, with Mandarin (137 speakers), Persian (68), Cantonese (56) and Hindi (43) the most common non-English languages, reflecting a notably international resident mix for a suburban area.
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 Valuer-General (house prices), Department of Jobs SALM (unemployment), ACARA (school ICSEA), 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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