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Queensland · Postcode 4879
Trinity Park postcode and suburb data
Queensland · Phone area code 07 · 1404 km from Brisbane
Suburb snapshot
Trinity Park at a glance vs QLD
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against QLD
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Trinity Park ranks: household income is in the top 25% of QLD suburbs; rents are among the top 10% in QLD.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Trinity Park vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Trinity Park | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,008 +QLD | $1,770 | $1,836 |
| Rent/wk | $465 +QLD | $380 | $390 |
| Mortgage/month | $1,733 ≈QLD | $1,774 | $1,958 |
| Median age | 36 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 4.1% -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 Park is a locality 1404 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 Park has a population of 3,536 with a median age of 36. The median weekly household income is $2,008, above the QLD average. The unemployment rate is 4.1%, lower than the QLD average. The Indigenous population is 142 (4.0% of residents).
Housing in Trinity Park includes a median weekly rent of $465, median monthly mortgage repayment of $1,733, with 1,204 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 66.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Trinity Park scores in decile 7 out of 10, which is above the national average.
Trinity Park is served by Holy Cross School.
Trinity Park is part of the Cairns - North statistical area in Queensland.
Trinity Park details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4879 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 3,536 |
| Median Age | 36 years |
| Median Household Income (Census 2021) | $2,008/week |
| Median Personal Income (Census 2021) | $920/week |
| Median Weekly Rent (Census 2021) | $465 |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 2.8 persons |
| Area | 3.0 km² |
| Population Density | 1196/km² |
| Total Dwellings | 1,204 |
| Australian Citizens | 83.2% |
| Indigenous Population | 142 (4.0%) |
| Unemployment Rate | 4.1% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -16.807488 |
| Longitude | 145.7050591 |
| Distance from Brisbane | 1404 km |
| Region (SA4) | Cairns |
| Area (SA3) | Cairns - North |
| Local Government | Cairns |
| Federal Electorate | Leichhardt |
| State Electorate | Barron River |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 805 (22.8%) |
| 15–24 years | 415 (11.7%) |
| 25–44 years | 1,044 (29.5%) |
| 45–64 years | 892 (25.2%) |
| 65+ years | 382 (10.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 229 (6.5%) |
| Arthritis | 217 (6.1%) |
| Diabetes | 112 (3.2%) |
| Heart Disease | 101 (2.9%) |
| Cancer | 84 (2.4%) |
| Lung Condition | 52 (1.5%) |
| Dementia | 11 (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 | 24 (2.0%) |
| 1 vehicle | 351 (29.6%) |
| 2 vehicles | 573 (48.3%) |
| 3+ vehicles | 238 (20.1%) |
Schools in Trinity Park
ACARA 2025 school profiles for schools located in Trinity Park. ICSEA is shown where ACARA publishes it.
Suburbs Near Trinity Park
Same Postcode (4879)
More Trinity Park 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.