Kooralgin flood map & planning overlays
A planning-constraint profile of Kooralgin (Toowoomba Regional, QLD) - 60.45 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
60.45 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Kooralgin'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.
Kooralgin 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 93 Kooralgin properties.
Lot-level readout
Flood-risk rating across all 93 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Kooralgin.
Kooralgin at a glance
How Kooralgin is zoned
Selling in Kooralgin? 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 60.45 km², Kooralgin is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 29% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 523,444 m² across 91 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 Kooralgin
Census 2021 figures published by the ABS for the Kooralgin 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 938, and decile 4 within Queensland. The national average is 1000.
Age profile
Share of Kooralgin's 47 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Crows Nest - Rosalie, the wider ABS statistical area containing Kooralgin. There is no annual population series published at suburb level, so this describes the surrounding area rather than Kooralgin itself.
7,766 in 2001 to 9,824 in 2025, up 27%.
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 Kooralgin 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 →Kooralgin planning - frequently asked
Where can I see a flood map of Kooralgin?
The schematic on this page is a Kooralgin flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 18% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Kooralgin address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Kooralgin flood-prone?
About 18% of Kooralgin falls within a mapped flood overlay, against a Toowoomba Regional average of 13%. Looking lot by lot, 1% of the 93 properties we analysed in Kooralgin carry some level of mapped flood risk, including 1 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 Kooralgin bushfire-prone?
Yes - around 29% of Kooralgin is mapped as bushfire-prone, compared with a Toowoomba Regional average of 20%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Kooralgin?
The dominant planning zone in Kooralgin is Rural, though the suburb also includes Open Space and Unzoned. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Kooralgin have heritage-listed places?
No heritage-listed places are on record within Kooralgin. Even so, it is worth confirming for an individual property before any works.
Is Kooralgin hilly or flat?
Kooralgin is gently undulating: the median lot slope is about 5%, and 8% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 380 m to 572 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 Kooralgin?
Across 91 surveyed parcels in Kooralgin, the median lot size is about 523,444 m². There are also 4 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.
Is Kooralgin an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Kooralgin scores 938 and sits in decile 3 of 10 nationally and decile 4 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.
Do I need a planning report for a Kooralgin property?
A Kooralgin 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.