Trinity Park flood map & planning overlays
A median weekly rent of $465, 2nd-highest in Cairns Regional, on median lots of 637 m².
Most lots here are flood-mapped. The free check shows how much of one lot the overlay covers.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Trinity Park
(Cairns Regional, QLD) - 3.44 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 7 November 2026.
Constraint readout
3.44 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Trinity Park's boundary, with the flood, bushfire and environmental overlays drawn on top. Amber hatching is the published aircraft noise (ANEF) contour. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
How common is mapped flood risk across Trinity Park properties?
Counts of properties, not share of land, across 1,509 analysed Trinity Park properties; no individual property result is identified.
Lot-level readout
Flood-risk rating across all 1,509 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Trinity Park.
Aircraft noise and flight paths over Trinity Park
The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.
Inside an aircraft noise contour
6% of the suburb's land sits inside a published ANEF or airport-environs contour. Contours vary street by street, so whether a particular lot is inside one needs a property-level check.
Highest contour present
Under AS 2021, land between ANEF 20 and 25 is conditionally acceptable for houses, usually with noise attenuation built in. The contour is a forecast, not a measurement at any one house.
Contours held
- Cairns Regional Council ANEF
Observed overflight - sampled 4 Sep to 7 Nov 2026
Night movements: observed, lowest 1,500 ft - night is sampled as often as day, but night traffic is light, so this is a floor and no rate can be put on it.
How this is measured
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
Trinity Park at a glance
Schools in and near Trinity Park
Public school-location data shows availability across the suburb; it does not rate schools or assign any individual address to a catchment.
Inside the suburb boundary
1 school providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: 0.01 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time.
Which school zone is a Trinity Park address in? Check an address with our free school zone checker.
How Trinity Park is zoned
Selling in Trinity Park? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 3.44 km², Trinity Park is highly constrained by planning overlays. About 83% of the suburb sits within a mapped flood overlay, and 22% is flagged bushfire-prone. The dominant land-use zone is Conservation. The terrain is largely flat, and the median lot measures about 637 m² across 1,430 parcels.
Who lives in Trinity Park
Census 2021 figures published by the ABS for the Trinity Park suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1013, and decile 8 within Queensland. The national average is 1000.
Age profile
Share of Trinity Park's 3,536 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Trinity Beach - Smithfield, the wider ABS statistical area containing Trinity Park. There is no annual population series published at suburb level, so this describes the surrounding area rather than Trinity Park itself.
7,593 in 2001 to 19,862 in 2025, up 162%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Trinity Park data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Inside a held contour | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Observed flight paths | Observed | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
Profile last materially updated 7 November 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Trinity Park address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Aircraft have been seen below 3,000 ft over about 13% of Trinity Park. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Published flood models are held over parts of Trinity Park. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot to spin round in your browser (+$9 with the planning report).
Moving here? The Liveability section adds walking times from the address to schools, parks, shops and transport, and the school zones it sits in (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Trinity Park lot.
Trinity Park planning - frequently asked
Is Trinity Park flood-prone?
About 83% of Trinity Park falls within a mapped flood overlay, against the council-wide suburb average of 55%. Across the suburb, 70% of the 1,509 properties we analysed carry some level of mapped flood risk, including 1051 rated high risk or historically affected. Published flood models are held over parts of Trinity Park; the free check on the Flood Model Report page says whether one reaches a given address.
Is Trinity Park bushfire-prone?
Around 22% of Trinity Park is mapped as bushfire-prone, compared with a Cairns Regional average of 23%.
Is Trinity Park affected by aircraft noise?
About 6% of Trinity Park sits inside a published aircraft noise contour, and the highest contour present is ANEF 20 - under AS 2021, land between ANEF 20 and 25 is conditionally acceptable for houses, usually with noise attenuation in the build. ANEF contours are forecasts published per airport and used to control noise-sensitive development; they are not a measurement at any one house, and a property can sit under a flight path and outside every contour.
Is Trinity Park under a flight path?
Aircraft were observed below 3,000 ft over about 13% of Trinity Park, in the period sampled (4 Sep 2026 to 7 Nov 2026). The lowest measured aircraft was at 1,500 ft, with an average of 1,500 ft. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in Trinity Park?
The dominant planning zone in Trinity Park is Conservation, though the suburb also includes Low Density Residential and Open Space.
Does Trinity Park have heritage-listed places?
No heritage-listed places are on record within Trinity Park.
Is Trinity Park hilly or flat?
Trinity Park is largely flat: the median ground slope is about 1%. Ground level runs from roughly 3 m to 7 m AHD across the suburb.
What is the typical lot size in Trinity Park?
Across 1,430 surveyed parcels in Trinity Park, the median lot size is about 637 m². There are also 92 registered easements mapped in the suburb.
Does Trinity Park have a train station?
There is no train station inside Trinity Park itself. The suburb is served by 5 bus stops.
What is the population of Trinity Park?
At the 2021 Census Trinity Park had 3,536 usual residents, with a median age of 36 and an average household size of 2.8 people. The wider Trinity Beach - Smithfield statistical area, which contains Trinity Park, went from 7,593 people in 2001 to 19,862 in 2025, up 162%.
Is Trinity Park an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Trinity Park scores 1013 and sits in decile 7 of 10 nationally and decile 8 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Trinity Park?
Median household income in Trinity Park was $2,008 a week at the 2021 Census, against $1,618 for the typical suburb in Cairns Regional. Median rent was $465 a week and the median mortgage repayment $1,733 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Trinity Beach | 1.7 km | 22% | 40% |
| Smithfield | 2.1 km | 48% | 43% |
| Yorkeys Knob | 2.5 km | 87% | 15% |
| Kewarra Beach | 3.6 km | 23% | 30% |
| Holloways Beach | 5.0 km | 81% | 15% |
| Clifton Beach | 5.2 km | 15% | 47% |
| Macalister Range | 6.2 km | 5% | 47% |
| Caravonica | 6.2 km | 40% | 19% |
| Barron | 6.5 km | 100% | 6% |
| Machans Beach | 7.3 km | 68% | 20% |