Mount Walker flood map & planning overlays
A planning-constraint profile of Mount Walker (Scenic Rim Regional, QLD) - 33.41 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
33.41 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Walker'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 Walker 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 94 Mount Walker properties.
Lot-level readout
Flood-risk rating across all 94 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Mount Walker.
Mount Walker at a glance
How Mount Walker is zoned
Selling in Mount Walker? 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 33.41 km², Mount Walker is highly constrained by planning overlays. About 14% of the suburb sits within a mapped flood overlay, and 28% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 326,203 m² across 110 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 Walker
Census 2021 figures published by the ABS for the Mount Walker 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 997, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Mount Walker's 129 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Boonah, the wider ABS statistical area containing Mount Walker. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Walker itself.
9,556 in 2001 to 13,450 in 2025, up 41%.
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 Walker 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 Walker planning - frequently asked
Where can I see a flood map of Mount Walker?
The schematic on this page is a Mount Walker flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 14% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mount Walker address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mount Walker flood-prone?
About 14% of Mount Walker falls within a mapped flood overlay, against a Scenic Rim Regional average of 19%. Looking lot by lot, 22% of the 94 properties we analysed in Mount Walker carry some level of mapped flood risk. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mount Walker bushfire-prone?
Yes - around 28% of Mount Walker is mapped as bushfire-prone, compared with a Scenic Rim Regional average of 52%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mount Walker?
The dominant planning zone in Mount Walker is Rural, though the suburb also includes Community Facilities. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mount Walker have heritage-listed places?
No heritage-listed places are on record within Mount Walker. Even so, it is worth confirming for an individual property before any works.
Is Mount Walker hilly or flat?
Mount Walker is largely flat: the median lot slope is about 4%, and 5% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 64 m to 218 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 Walker?
Across 110 surveyed parcels in Mount Walker, the median lot size is about 326,203 m².
What is the population of Mount Walker?
At the 2021 Census Mount Walker had 129 usual residents, with a median age of 44 and an average household size of 3.1 people. The wider Boonah statistical area, which contains Mount Walker, went from 9,556 people in 2001 to 13,450 in 2025, up 41%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Walker alone.
Is Mount Walker an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Walker scores 997 and sits in decile 6 of 10 nationally and decile 7 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 Walker?
Median household income in Mount Walker was $1,343 a week at the 2021 Census, against $1,562 for the typical suburb in Scenic Rim Regional. Median rent was $330 a week and the median mortgage repayment $1,928 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mount Walker property?
A Mount Walker 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.