Mourilyan Harbour flood map & planning overlays
A planning-constraint profile of Mourilyan Harbour
(Cassowary Coast Regional, QLD) - 26.76 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
26.76 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mourilyan Harbour's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Mourilyan Harbour at a glance
Schools in and near Mourilyan Harbour
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: 3.16 km from the suburb boundary
Secondary: 6.46 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How Mourilyan Harbour is zoned
Selling in Mourilyan Harbour? 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 26.76 km², Mourilyan Harbour is highly constrained by planning overlays. About 76% of the suburb sits within a mapped flood overlay, and 6% is flagged bushfire-prone. The dominant land-use zone is Environmental management and conservation. The median lot measures about 1,035 m² across 253 parcels.
Who lives in Mourilyan Harbour
Census 2021 figures published by the ABS for the Mourilyan Harbour 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 919, and decile 3 within Queensland. The national average is 1000.
Age profile
Share of Mourilyan Harbour's 142 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Johnstone, the wider ABS statistical area containing Mourilyan Harbour. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mourilyan Harbour itself.
8,075 in 2001 to 8,281 in 2025, up 3%.
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.
Mourilyan Harbour 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) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
Profile last materially updated 19 September 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 Mourilyan Harbour 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.
Published flood models are held over parts of Mourilyan Harbour. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Mourilyan Harbour lot.
See what's in the $9 report →Mourilyan Harbour planning - frequently asked
Is Mourilyan Harbour flood-prone?
About 76% of Mourilyan Harbour falls within a mapped flood overlay, against the council-wide suburb average of 66%.
Is Mourilyan Harbour bushfire-prone?
Around 6% of Mourilyan Harbour is mapped as bushfire-prone, compared with a Cassowary Coast Regional average of 16%.
What is the zoning in Mourilyan Harbour?
The dominant planning zone in Mourilyan Harbour is Environmental management and conservation, though the suburb also includes Rural and Special purpose.
Does Mourilyan Harbour have heritage-listed places?
No heritage-listed places are on record within Mourilyan Harbour.
What is the typical lot size in Mourilyan Harbour?
Across 253 surveyed parcels in Mourilyan Harbour, the median lot size is about 1,035 m². There are also 12 registered easements mapped in the suburb.
What is the population of Mourilyan Harbour?
At the 2021 Census Mourilyan Harbour had 142 usual residents, with a median age of 48 and an average household size of 2.3 people. The wider Johnstone statistical area, which contains Mourilyan Harbour, went from 8,075 people in 2001 to 8,281 in 2025, up 3%.
Is Mourilyan Harbour an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mourilyan Harbour scores 919 and sits in decile 2 of 10 nationally and decile 3 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Mourilyan Harbour?
Median household income in Mourilyan Harbour was $1,275 a week at the 2021 Census, against $1,319 for the typical suburb in Cassowary Coast Regional. Median rent was $250 a week and the median mortgage repayment $1,300 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Etty Bay | 3.7 km | 69% | 22% |
| New Harbourline | 5.5 km | 100% | 17% |
| Mourilyan | 5.8 km | 100% | 43% |
| Cowley Beach | 7.3 km | 47% | 24% |
| Martyville | 7.4 km | 100% | 27% |
| Coquette Point | 8.0 km | 65% | 15% |
| Comoon Loop | 8.1 km | 100% | 10% |
| South Innisfail | 8.3 km | 100% | 58% |
| Stockton | 8.9 km | 100% | 0% |
| Moresby | 9.3 km | 88% | 15% |