Trinity Park
With 94.9% of dwellings as separate houses, Trinity Park ranks among the most detached-dominant suburbs in Far North Queensland, and household income places it in the 75.2nd percentile nationally. The suburb covers just 2.96 km2, yet its 3,536 residents skew younger than average, with a median age of 36, which is 4 years below the national figure. Healthcare employs 22.2% of local workers, by far the largest industry, reflecting proximity to Cairns Hospital services. The average household size of 2.8 is 0.3 above national, pointing to family-oriented occupation, and 65.4% of dwellings have 4 or more bedrooms, reinforcing that pattern.
Population
3,536
Median Age
36.0
Household IncomeiMedian weekly household income (ABS Census)
$2,008/wk
DAs (12 months)iDevelopment Applications lodged in the past year
2
Median House
$544K
Estimated from rent (2025)
The estimated median house price sits at $544,000, making Trinity Park more accessible than many coastal Queensland markets. Monthly mortgage repayments average $1,733, producing a mortgage-to-income ratio of 19.9%, comfortably below the 30% stress threshold. Outright owners make up 24.4% of the market compared to 41.6% on a mortgage, suggesting a relatively recent ownership cohort still paying down loans rather than a long-established debt-free base. Separate houses dominate at 94.9% of stock, with apartments at just 0.3%, so buyers face a near-uniform product type. The bedroom profile is skewed large: 65.4% of homes have 4 or more bedrooms, which is unusually high, meaning buyers should expect family-sized floor plans rather than compact options.
For Buyers
The estimated median house price sits at $544,000, making Trinity Park more accessible than many coastal Queensland markets. Monthly mortgage repayments average $1,733, producing a mortgage-to-income ratio of 19.9%, comfortably below the 30% stress threshold. Outright owners make up 24.4% of the market compared to 41.6% on a mortgage, suggesting a relatively recent ownership cohort still paying down loans rather than a long-established debt-free base. Separate houses dominate at 94.9% of stock, with apartments at just 0.3%, so buyers face a near-uniform product type. The bedroom profile is skewed large: 65.4% of homes have 4 or more bedrooms, which is unusually high, meaning buyers should expect family-sized floor plans rather than compact options.
For Investors
Renters account for 34.0% of residents, providing a solid tenant base, and the weekly median rent of $465 gives a gross yield of approximately 4.4% against the $544,000 median, which is above typical coastal Queensland norms. The vacancy rate of 7.1% is elevated and is the main risk factor for landlords, indicating the rental market carries some softness. No development applications were recorded in the past 12 months, meaning no near-term new supply will compress rents further. Household income in the 75.2nd percentile nationally supports rent-paying capacity. The 4-plus bedroom concentration means landlords cater primarily to families, whose tenancies tend to be longer than those of young singles or couples.
Development Activity
Total DAs
2
Last 12 Months
2
YoY ChangeiYear-over-year change in DA lodgements
—
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Schools in Trinity Park iICSEA: school advantage index. 1000 = national avg, higher = more advantaged
Holy Cross School
Prep-6 · 572 students
Demographics
The median age of 36 is 4 years below the national average, placing Trinity Park firmly in the family-formation segment of the age distribution. Overseas-born residents make up 26.2%, which is 4.6 percentage points above the national figure, reflecting Cairns region's mild international draw. Ancestry is Anglo-Celtic by a clear margin, with English the most common at 1,418 residents, followed by Irish (351) and Scottish (321). University qualification rates reach 28.0%, which is 2.1 percentage points below national, consistent with a skilled-trades and healthcare workforce rather than a professional services base. Average household size at 2.8 is 0.3 above national, and 49.1% of families are couples with children, the dominant household structure.
Age Distribution
Bedrooms
Dwelling Structure
94.9%
Houses
3.8%
Townhouse
0.3%
Apartment
Tenure
Owner-occupiers make up 66.0% of the market (24.4% outright, 41.6% with a mortgage), placing renters at 34.0%. The stock is overwhelmingly separate houses at 94.9%, with semi-detached at 3.8% and apartments at just 0.3%, making this one of the least apartment-exposed suburbs on the Cairns fringe. The 4-plus bedroom share at 65.4% is notably high compared to most metropolitan suburbs, driven by family demand. Housing stress is below concerning thresholds: mortgage-to-income at 19.9% and rent-to-income at 23.2% are both well below the 30% stress line, which is better than many comparable regional Queensland markets. The vacancy rate of 7.1% is above tight-market norms, suggesting room in rental supply.
Mortgage / mo
$1,733
Rent / wk
$465
HH Size
2.8
Personal Income / wk
$920
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
7.1%
Unoccupied
92
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
23.2%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
19.9%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
25.3%
Couples, no children
2,842
Total families
Economy & Employment
Healthcare dominates the local economy at 22.2% of employed residents (287 workers), reflecting the suburb's position within the Cairns healthcare catchment. Construction follows at 11.4% (148 workers), Education at 9.8% (127), Public Admin at 8.3% (108) and Retail at 7.5% (97). By occupation, Professionals are the largest group with 370 workers, followed by Community and Personal Services at 246 and Managers at 239, creating a workforce where professional and service roles account for roughly half of employment. The unemployment rate of 4.4% is above typical metro rates, and the participation rate of 64.6% is moderate, with 658 residents not in the labour force. Full-time employment runs at 65.0% of those employed, indicating most workers hold substantive roles rather than casual ones.
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
65.0%
Part-time
30.6%
Participation
64.6%
Employed
1,684
Occupations
Top Industries
University
28.0%
Postgraduate
5.6%
Born Overseas
26.2%
Dwellings
1,196
Transport to Work
Transport in Trinity Park is car-dependent: 90.0% of residents drive to work, compared to the national car-commute share, while public transport use sits at just 1.2%. Walking and cycling account for 2.3%, consistent with a low-density suburban layout. No schools are recorded within the suburb boundary, so families draw on institutions in neighbouring Cairns suburbs. Community participation is measured by a volunteering rate of 12.7%, and 4.7% of residents need daily assistance (154 people). Housing affordability is sound, with rent-to-income at 23.2% and mortgage-to-income at 19.9%, both well below national stress benchmarks. Crime data for Trinity Park are not available in the current dataset. The low disability assistance rate and moderate volunteering figure suggest a self-sufficient, actively engaged community.
Drive
90.0%
Public Transport
1.2%
Walk / Cycle
2.3%
Work from Home
N/A
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Trinity Park compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Trinity Park a good suburb to live in?
Trinity Park suits families looking for large, detached homes in the Cairns fringe. Household income sits in the 75.2nd percentile nationally, and housing costs are manageable, with mortgage-to-income at 19.9% and rent-to-income at 23.2%, both well below the 30% stress line. The main trade-off is heavy car dependence, with 90.0% of residents driving to work and public transport use at just 1.2%.
What is the median house price in Trinity Park?
The estimated median house price is $544,000, based on 2025 rental data. Monthly mortgage repayments average $1,733, giving a mortgage-to-income ratio of 19.9%. Weekly rent averages $465, implying a gross yield of approximately 4.4% for investors.
What schools are in Trinity Park?
No schools are recorded within the Trinity Park suburb boundary in this dataset. Families rely on schools in neighbouring Cairns suburbs. The suburb has a university qualification rate of 28.0%, which is 2.1 percentage points below the national figure, reflecting a healthcare and trades-oriented workforce.
Is Trinity Park safe?
Detailed crime statistics are not available for Trinity Park in the current dataset. As an indirect indicator, housing stress is low, with mortgage-to-income at 19.9% and rent-to-income at 23.2%, both below national stress thresholds. Household income sits in the 75.2nd percentile nationally, which is generally associated with lower disadvantage levels.
Is Trinity Park good for property investment?
Renters make up 34.0% of residents and weekly rent of $465 gives a gross yield near 4.4% against the $544,000 median, higher than many coastal Queensland markets. The main concern is the 7.1% vacancy rate, which is elevated. No new development applications were recorded in the past 12 months, so near-term supply pressure is limited.
How is Trinity Park's population changing?
Detailed population forecast data are not currently available for Trinity Park. The suburb shows a stable occupancy pattern, with 67.6% of residents remaining at the same address over a 5-year period and a turnover rate of 32.4%. The 3,536 residents are spread across 2.96 km2, giving a density of around 1,195 per km2, moderate for the Cairns fringe.
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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