Mount Mellum flood map & planning overlays
A planning-constraint profile of Mount Mellum (Sunshine Coast Regional, QLD) - 10.11 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
10.11 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Mellum's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Mount Mellum flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 195 Mount Mellum properties.
Lot-level readout
Flood-risk rating across all 195 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Mount Mellum.
Mount Mellum at a glance
How Mount Mellum is zoned
Selling in Mount Mellum? 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 10.11 km², Mount Mellum is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 59% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is steep, and the median lot measures about 6,500 m² across 204 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Mount Mellum
Census 2021 figures published by the ABS for the Mount Mellum 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 1021, and decile 8 within Queensland. The national average is 1000.
Age profile
Share of Mount Mellum's 457 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Landsborough, the wider ABS statistical area containing Mount Mellum. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Mellum itself.
7,248 in 2001 to 21,628 in 2025, up 198%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Check a specific Mount Mellum 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 →Mount Mellum planning - frequently asked
Where can I see a flood map of Mount Mellum?
The schematic on this page is a Mount Mellum flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mount Mellum address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mount Mellum flood-prone?
Flood mapping covers Mount Mellum and none of the suburb falls within a mapped flood overlay (the Sunshine Coast Regional average is 32%). Looking lot by lot, 5% of the 195 properties we analysed in Mount Mellum carry some level of mapped flood risk, including 6 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mount Mellum bushfire-prone?
Yes - around 59% of Mount Mellum is mapped as bushfire-prone, compared with a Sunshine Coast Regional average of 38%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mount Mellum?
The dominant planning zone in Mount Mellum is Rural, though the suburb also includes Environmental Management and Conservation and Open Space. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mount Mellum have heritage-listed places?
No heritage-listed places are on record within Mount Mellum. Even so, it is worth confirming for an individual property before any works.
Is Mount Mellum hilly or flat?
Mount Mellum is steep: the median lot slope is about 18%, and 64% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 52 m to 340 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Mount Mellum?
Across 204 surveyed parcels in Mount Mellum, the median lot size is about 6,500 m². There are also 41 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Mount Mellum have a train station?
There is no train station inside Mount Mellum itself. The suburb is served by 1 bus stop.
What is the population of Mount Mellum?
At the 2021 Census Mount Mellum had 457 usual residents, with a median age of 52 and an average household size of 2.7 people. The wider Landsborough statistical area, which contains Mount Mellum, went from 7,248 people in 2001 to 21,628 in 2025, up 198%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Mellum alone.
Is Mount Mellum an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Mellum scores 1021 and sits in decile 7 of 10 nationally and decile 8 within Queensland - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Mount Mellum?
Median household income in Mount Mellum was $1,947 a week at the 2021 Census, against $1,674 for the typical suburb in Sunshine Coast Regional. Median rent was $420 a week and the median mortgage repayment $1,668 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mount Mellum property?
A Mount Mellum planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.