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Trinity Beach Postcode
Queensland
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Trinity Beach Compares
Trinity Beach vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Trinity Beach | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,681 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $380 ≈QLD | $380 | $390 |
| Mortgage/month | $1,712 ≈QLD | $1,774 | $1,958 |
| Median age | 42 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 5.1% -QLD | 6.0% | 5.0% |
Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Trinity Beach is a locality 1407 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4879. It falls within the Cairns region. The local government area is Cairns.
According to the 2021 Census, Trinity Beach has a population of 6,594 with a median age of 42. The median weekly household income is $1,681, close to the QLD average. The unemployment rate is 5.1%, lower than the QLD average. The Indigenous population is 257 (3.9% of residents).
Housing in Trinity Beach includes a median weekly rent of $380, median monthly mortgage repayment of $1,712, with 2,569 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 68.4% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Trinity Beach scores in decile 7 out of 10, which is above the national average.
Trinity Beach is served by Tropical North Learning Academy - Trinity Beach State School.
Trinity Beach is part of the Cairns - North statistical area in Queensland.
Trinity Beach Details
| Postcode | 4879 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 6,594 |
| Median Age | 42 years |
| Median Household Income (Census 2021) | $1,681/week |
| Median Personal Income (Census 2021) | $871/week |
| Median Weekly Rent (Census 2021) | $380 |
| Median Monthly Mortgage (Census 2021) | $1,712 |
| Average Household Size | 2.4 persons |
| Area | 6.0 km² |
| Population Density | 1103/km² |
| Total Dwellings | 2,569 |
| Australian Citizens | 83.4% |
| Indigenous Population | 257 (3.9%) |
| Unemployment Rate | 5.1% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -16.783333 |
| Longitude | 145.7 |
| Distance from Brisbane | 1407 km |
| Region (SA4) | Cairns |
| Area (SA3) | Cairns - North |
| Local Government | Cairns |
| Federal Electorate | Leichhardt |
Age Profile
Show counts
| 0–14 years | 1,207 (18.3%) |
| 15–24 years | 628 (9.5%) |
| 25–44 years | 1,661 (25.2%) |
| 45–64 years | 1,997 (30.3%) |
| 65+ years | 1,106 (16.8%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 551 (8.4%) |
| Asthma | 427 (6.5%) |
| Heart Disease | 235 (3.6%) |
| Diabetes | 208 (3.2%) |
| Cancer | 180 (2.7%) |
| Lung Condition | 118 (1.8%) |
| Dementia | 23 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 90 (3.5%) |
| 1 vehicle | 1,015 (40.0%) |
| 2 vehicles | 1,013 (39.9%) |
| 3+ vehicles | 421 (16.6%) |
Schools in Trinity Beach
Suburbs Near Trinity Beach
Same Postcode (4879)
More Trinity Beach Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.