Trinity Park Postcode

Queensland

Outer Regional Above QLD income
4879
Postcode for Trinity Park, QLD
Phone area code: 07 · 1404 km from Brisbane · Pop. 3,536
3,536
Population
36
Median Age
$2,008
Household Income/wk
$465
Median Rent/wk
7/10
SEIFA Advantage
3.0
Area (km²)

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.

How Trinity Park Compares

Trinity Park vs the QLD average and the national average (2021 Census, population-weighted).

MetricTrinity ParkQLD avgAU 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

Postcode4879
StateQueensland (QLD)
Phone Area Code07
Population (2021)3,536
Median Age36 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 Size2.8 persons
Area3.0 km²
Population Density1196/km²
Total Dwellings1,204
Australian Citizens83.2%
Indigenous Population142 (4.0%)
Unemployment Rate4.1%
SEIFA IRSAD Decile7/10 (above average)
Latitude-16.807488
Longitude145.7050591
Distance from Brisbane1404 km
Region (SA4)Cairns
Area (SA3)Cairns - North
Local GovernmentCairns
Federal ElectorateLeichhardt

Age Profile

0–14 (22.8%) 15–24 (11.7%) 25–44 (29.5%) 45–64 (25.2%) 65+ (10.8%)
Show counts
0–14 years805 (22.8%)
15–24 years415 (11.7%)
25–44 years1,044 (29.5%)
45–64 years892 (25.2%)
65+ years382 (10.8%)

Housing Tenure

Owned outright (24.4%) Mortgaged (41.6%) Rented (34.0%)

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)

Asthma229 (6.5%)
Arthritis217 (6.1%)
Diabetes112 (3.2%)
Heart Disease101 (2.9%)
Cancer84 (2.4%)
Lung Condition52 (1.5%)
Dementia11 (0.3%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle24 (2.0%)
1 vehicle351 (29.6%)
2 vehicles573 (48.3%)
3+ vehicles238 (20.1%)

Schools in Trinity Park

Holy Cross School
Primary · Cat · ICSEA 1058 · 572 students

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.