Trinity Beach
A $478,000 median house price sitting alongside a 12.5% vacancy rate is the headline tension here, and both trace back to the same coastal-growth story north of Cairns. Household income falls in the 58.4th percentile nationally, just above the midpoint, while SEIFA puts the area at decile 6 on IRSAD and decile 7 on IRSD, comfortably advantaged but well short of premium tiers. The population of 6,594 has a median age of 42, two years above the national figure, and the trajectory is aging as the senior share climbed 4.5 points over the decade. Detached houses dominate at 69.0% of dwellings across a 5.98 km2 footprint, and net internal migration of 340 a year is the main demand engine.
Population
6,594
Median Age
42.0
Household IncomeiMedian weekly household income (ABS Census)
$1,681/wk
DAs (12 months)iDevelopment Applications lodged in the past year
9
Median House
$478K
Estimated from rent (2025)
At a $478,000 median, Trinity Beach is far more attainable than capital-city coastal markets, and the stock suits families: 69.0% of dwellings are separate houses, with 4-plus bedroom homes the largest group at 38.7% and three-bedroom at 33.6%. Apartments make up just 17.9%, so buyers seeking a freestanding home compete in a deep pool rather than a scarce one. Average monthly mortgage repayments of $1,712 produce a mortgage-to-income ratio of 23.5%, well below the 30% stress threshold, which is why no mortgage-stress flag is raised despite household income only in the 58.4th percentile nationally. Owners with a mortgage (40.8%) outnumber outright owners (27.6%), a profile typical of a working, family-stage market rather than a settled, debt-free one.
For Buyers
At a $478,000 median, Trinity Beach is far more attainable than capital-city coastal markets, and the stock suits families: 69.0% of dwellings are separate houses, with 4-plus bedroom homes the largest group at 38.7% and three-bedroom at 33.6%. Apartments make up just 17.9%, so buyers seeking a freestanding home compete in a deep pool rather than a scarce one. Average monthly mortgage repayments of $1,712 produce a mortgage-to-income ratio of 23.5%, well below the 30% stress threshold, which is why no mortgage-stress flag is raised despite household income only in the 58.4th percentile nationally. Owners with a mortgage (40.8%) outnumber outright owners (27.6%), a profile typical of a working, family-stage market rather than a settled, debt-free one.
For Investors
A 31.6% renter share and weekly rent of $380 give landlords a steady tenant base, and against the $478,000 median that rent implies a gross yield near 4.1%, far healthier than premium coastal markets. The catch is a 12.5% vacancy rate, high enough to signal soft short-term demand and pressure on re-letting. Demand fundamentals are stronger over the longer run: net internal migration adds 340 residents a year and overseas migration another 209, the dual drivers behind an annual growth trend of 2.94%. Development is thin at just 6 applications in 12 months, mostly single dwelling-house works, so new rental supply is limited and existing stock holds its scarcity. Rent grew 40.0% over the decade, so the case rests on income yield plus migration-led demand rather than rapid turnover.
Development Activity
Total DAs
9
Last 12 Months
9
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 Beach iICSEA: school advantage index. 1000 = national avg, higher = more advantaged
Tropical North Learning Academy - Trinity Beach State School
Prep-6 · 899 students
Demographics
The median age of 42 runs 2.0 years above the national figure, and the area is aging: the senior share rose 4.5 points while the working-age share fell 2.4 points over the decade. Overseas-born residents reach 29.0%, which is 7.4 points above national, yet university qualifications sit at 30.0%, essentially level with the country at 0.1 points below. Ancestry is strongly Anglo-Celtic, led by English (2,743), Irish (768) and Scottish (758), and the most common non-English languages are Japanese (21 speakers), Italian (20) and Mandarin (18), a small international layer rather than a dominant one. Average household size is 2.4, just 0.1 below national, and couples with children (2,026 families) edge out couples without children (1,680), consistent with the family-stage, detached-house character.
Age Distribution
Bedrooms
Dwelling Structure
69.0%
Houses
13.1%
Townhouse
17.9%
Apartment
Tenure
Tenure tilts toward mortgaged owners: 40.8% carry a mortgage, 27.6% own outright and 31.6% rent. Mortgage holders outnumbering outright owners marks this as a working, family-buying market rather than settled wealth. The stock is overwhelmingly detached at 69.0% separate houses, with apartments at 17.9% and semi-detached at 13.1%, and bedroom counts skew large, with 4-plus bedroom homes at 38.7% and three-bedroom at 33.6%. The $478,000 median against a household income in the 58.4th percentile keeps the price-to-income load manageable, reflected in a mortgage-to-income ratio of 23.5% and rent-to-income of 22.6%, both below the 30% stress line. That affordability is the structural reason migration keeps flowing in despite the elevated 12.5% vacancy rate.
Mortgage / mo
$1,712
Rent / wk
$380
HH Size
2.4
Personal Income / wk
$871
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
12.5%
Unoccupied
366
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
22.6%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
23.5%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
33.7%
Couples, no children
4,980
Total families
Economy & Employment
The workforce leans heavily on Healthcare, which leads at 22.4% (532 workers), followed by Education at 12.7% (300) and Construction at 9.1% (215), with Public Admin at 8.2% and Professional/Tech at 6.8%, a service-and-care profile typical of a regional coastal town. By occupation, Professionals (757) and Community/Personal workers (520) top the list, ahead of Managers (426). Unemployment sits at 5.5% and the full-time rate at 62.5%, with participation at 60.6%, held down because 1,517 residents are not in the labour force, consistent with the older, aging median age of 42. SEIFA reads decile 6 on IRSAD and IEO but a stronger decile 7 on IER for economic resources, a gap that reflects solid household assets and low mortgage stress despite mid-tier incomes in the 58.4th percentile.
Unemployment
2.2%
Labour Force
11,128
Unemployed
250
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
62.5%
Part-time
32.0%
Participation
60.6%
Employed
3,086
Occupations
Top Industries
University
30.0%
Postgraduate
7.3%
Born Overseas
29.0%
Dwellings
2,549
Transport to Work
Trinity Beach is heavily car-dependent: 88.3% drive to work while just 1.8% use public transport and 4.2% walk or cycle, reliance far above the national average and typical of a low-density coastal town at 1,103 residents per km2. The area scores decile 6 on IRSAD and decile 7 on IRSD, both comfortably above the midpoint for relative disadvantage, and only 4.8% of residents (294 people) need daily assistance despite the older median age of 42. Volunteering runs at 15.5%, a sign of community engagement. No schools are recorded inside the 5.98 km2 boundary in this dataset, so families rely on schools in neighbouring suburbs, a practical trade-off offset by the affordable $478,000 median that keeps detached family homes within reach.
Drive
88.3%
Public Transport
1.8%
Walk / Cycle
4.2%
Work from Home
N/A
Population Forecast
+2.94%/yr
(+583 people/yr)
EstablishedTrinity Beach is firmly in expansion mode, with an annual population growth trend of 2.94%, roughly 583 people a year, well above the flat or declining trajectories of established city suburbs. The medium forecast lifts the surrounding population from about 19,862 in 2025 toward 23,180 by 2031, a steady upward path. Net internal migration of 340 a year is the primary driver, reinforced by 209 a year from overseas, a dual inflow that few suburbs sustain. Gentrification scores 50 and reads as active, with signals including an acceleration in qualifications from 27% to 39%, though the broader index still sits at only early signs at score 21. Affordability has held stable, moving from 48.2% in 2011 to 48.9% in 2021, so growth has not yet priced the area out.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Internal Migration
Net Overseas / yr
+209
Net Internal / yr
+340
Gentrification Signal
Active
Net internal migration +340/yr, Strong overseas inflow +209/yr, Accelerating: 27% → 39%
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Trinity Beach compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Trinity Beach a good suburb to live in?
Trinity Beach scores decile 6 on IRSAD and decile 7 on IRSD, both above the midpoint for relative advantage, with household income in the 58.4th percentile nationally. The big draw is affordability, with a $478,000 median house price, though only 1.8% of residents use public transport, so a car is close to essential.
What is the median house price in Trinity Beach?
The median house price is about $478,000, well below capital-city coastal markets. Weekly rent averages $380 and monthly mortgage repayments run around $1,712, giving a mortgage-to-income ratio of 23.5%, below the 30% stress threshold. That rent against the median implies a gross yield near 4.1%.
What schools are in Trinity Beach?
No schools are recorded inside the 5.98 km2 Trinity Beach boundary in this dataset, so families rely on schools in neighbouring suburbs. The area is family-oriented, with couples with children making up 2,026 of about 4,980 families and 38.7% of homes having 4-plus bedrooms.
Is Trinity Beach safe?
Detailed crime statistics are not available for Trinity Beach in this dataset. As an indirect indicator, the suburb scores decile 7 on the IRSD index of relative disadvantage, above the midpoint, and only 4.8% of its 6,594 residents need daily assistance, both consistent with a settled, low-disadvantage area.
Is Trinity Beach good for property investment?
Rent of $380 a week against a $478,000 median gives a gross yield near 4.1%, healthier than premium coastal markets, though the 12.5% vacancy rate signals soft short-term demand. Net internal migration of 340 a year plus 209 from overseas supports longer-term demand behind 2.94% annual growth.
How is Trinity Beach's population changing?
The population is growing at about 2.94% a year, roughly 583 people, well above flat city suburbs, with the surrounding area forecast to reach 23,180 by 2031. The profile is aging, as the senior share rose 4.5 points and the working-age share fell 2.4 points over the decade.
Where do people in Trinity Beach work?
Healthcare is the largest employer at 22.4% of workers (532 people), followed by Education at 12.7% (300) and Construction at 9.1% (215). Unemployment sits at 5.5% with a participation rate of 60.6%, and Professionals are the most common occupation at 757 residents.
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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