Trinity Park
With 94.9% of dwellings detached houses and 65.4% containing 4 or more bedrooms, Trinity Park has a strongly family-oriented housing profile. Its 3,536 residents occupy 2.96 square kilometres, while a median age of 36 sits 4.0 years below the national comparison. Household income is at the 75.2nd percentile, supporting its mortgage-oriented character. For buyers comparing Trinity Park with nearby Smithfield or Trinity Beach, the defining local feature is its larger-house, detached-dwelling mix.
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
3
Trinity Park suits buyers seeking detached space, with 94.9% of homes separate houses and 65.4% containing 4 or more bedrooms. The 41.2% mortgage share indicates a substantial owner-occupier base, while the typical monthly mortgage figure is $1,733 and mortgage payments equal 19.9% of household income. Household income sits at the 75.2nd percentile, above the national midpoint, which helps explain the suburb's capacity to support family-sized purchases. Compared with apartment-oriented options, the trade-off is a narrower dwelling mix and less choice for buyers seeking compact housing.
For Buyers
Trinity Park suits buyers seeking detached space, with 94.9% of homes separate houses and 65.4% containing 4 or more bedrooms. The 41.2% mortgage share indicates a substantial owner-occupier base, while the typical monthly mortgage figure is $1,733 and mortgage payments equal 19.9% of household income. Household income sits at the 75.2nd percentile, above the national midpoint, which helps explain the suburb's capacity to support family-sized purchases. Compared with apartment-oriented options, the trade-off is a narrower dwelling mix and less choice for buyers seeking compact housing.
For Investors
Trinity Park's rental profile needs careful pricing analysis because 33.6% of occupied dwellings are rented, weekly rent is $465, and vacancy is 7.1%. That vacancy rate should be compared with tighter local markets before assuming rapid leasing or strong rental growth. The 94.9% detached-house share supports demand from families, but it can also mean higher maintenance and insurance costs than smaller dwellings. Only 2 development applications were recorded over 12 months, suggesting limited immediate project activity. Mortgage stress is 19.9% of household income, below the rent-to-income figure of 23.2%, which points to a relatively serviceable ownership base.
Development Activity
Total DAs
3
Last 12 Months
3
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
Open-register school locations for education access. This is not a school-quality ranking.
Holy Cross School (Trinity Park)
Demographics
Trinity Park has a median age of 36, which is 4.0 years below the national comparison, and an average household size of 2.8 people, 0.3 above the national figure. The 28.0% university-educated share is 2.1 percentage points below the national comparison, while 26.2% of residents were born overseas, 4.6 points above it. English ancestry is recorded for 1,418 people, followed by Irish at 351 and Scottish at 321. No religion is the largest reported affiliation at 1,757, ahead of Christianity at 1,331. Compared with nearby Smithfield and Trinity Beach, household composition and address-level tenure should guide any detailed local comparison.
Age Distribution
Bedrooms
Dwelling Structure
94.9%
Houses
3.8%
Townhouse
0.3%
Apartment
Tenure
Trinity Park is dominated by detached housing: 94.9% of dwellings are separate houses, compared with only 0.3% apartments and 3.8% semi-detached homes. Larger floorplans are common, with 65.4% of homes containing 4 or more bedrooms and 29.0% containing 3 bedrooms. Tenure is split between 24.1% owned outright, 41.2% with a mortgage and 33.6% rented. Weekly rent is $465, while rent-to-income is 23.2% and mortgage-to-income is 19.9%, both useful affordability checks. The 2.8-person average household size is 0.3 above the national comparison, helping explain demand for family-sized dwellings. Buyers comparing Trinity Park with Smithfield or Trinity Beach should focus on block, condition and tenure differences rather than suburb labels alone.
Mortgage / mo
$1,733
Rent / wkiMedian weekly rent for new bonds (Jun 2026 quarter), QLD RTA bond data. Census 2021 median: $465.
$700
Bond data Jun 2026 quarter · houses $700 · units $620
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
44.9%
Couples with children
37.2%
Couples, no children
17.7%
Single parent
983
Total families
Economy & Employment
Employment is anchored by healthcare, which accounts for 22.2% of industry employment with 287 workers, followed by construction at 11.4% and 148 workers, education at 9.8% and 127 workers, public administration at 8.3% and 108 workers, and retail at 7.5% and 97 workers. The occupational mix includes 370 professionals, 275 trades workers, 246 community and personal service workers, and 239 managers. A 68.9% participation rate and 4.1% unemployment rate indicate an active labour market, while 60.8% of workers are employed full time. Household income sits at the 75.2nd percentile, above the national midpoint, because the professional, management and health-related base supports comparatively strong earning capacity.
Unemployment
4.1%
Labour Force
1,877
Unemployed
77
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
60.8%
Part-time
32.7%
Participation
68.9%
Employed
1,800
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
28.0%
Postgraduate
5.6%
Born Overseas
26.2%
Dwellings
1,196
Transport to Work
Daily travel is strongly car dependent: 75.7% of residents drive to work, far higher than the 1.0% using public transport, while 2.0% walk or cycle and 15.8% work from home. The 2.96 square kilometre suburb has 3,536 residents, so access to shops, services and major roads should be assessed from the exact address. School choice inside Trinity Park includes Holy Cross School, a Catholic non-state school. Families should confirm enrolment zones and transport arrangements because one local school does not describe every option across the wider northern Cairns area. A current suburb crime rate is not available to quote, so buyers should check Queensland Police incident information for the specific street.
Drive
75.7%
Public Transport
1.0%
Walk / Cycle
2.0%
Work from Home
15.8%
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 households wanting detached space, with 94.9% of dwellings separate houses and 65.4% containing 4 or more bedrooms. Its median age is 36 and average household size is 2.8, supporting a family-oriented profile, while the 75.2nd income percentile indicates comparatively strong household earning capacity.
What is the median house price in Trinity Park?
A current median house price is not stated for Trinity Park. Buyers should compare recent sales and obtain an address-specific valuation, particularly because 94.9% of homes are detached houses and 65.4% have 4 or more bedrooms. The 41.2% mortgage share also makes borrowing capacity an important part of any price assessment.
What schools are in Trinity Park?
Trinity Park has 1 identified local school: Holy Cross School, a Catholic non-state school. Families should confirm enrolment zones, year-level availability and transport arrangements directly, because school access can vary across the wider area and the suburb's 3,536 residents are spread across different addresses.
Is Trinity Park safe?
A current suburb crime rate is not available to quote for Trinity Park. Check Queensland Police incident information for the exact street and inspect the area at different times. The suburb has 3,536 residents across 2.96 square kilometres, so local conditions can vary between streets and housing pockets.
Is Trinity Park good for property investment?
Trinity Park has a 33.6% renting share and weekly rent of $465, which can support tenant demand for detached family homes. However, the 7.1% vacancy rate should be compared with tighter rental markets, and only 2 development applications in 12 months indicate limited immediate project activity. Review insurance, maintenance and leasing costs carefully.
How is Trinity Park's population changing?
Trinity Park has 3,536 residents, with 67.6% remaining at the same address and 32.4% recorded as turnover. The median age is 36, and the housing mix is strongly family sized, with 65.4% of homes having 4 or more bedrooms. For future direction, check the latest annual growth, migration driver and gentrification indicators.
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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