Kilbirnie flood map & planning overlays
A planning-constraint profile of Kilbirnie
(Toowoomba Regional, QLD) - 31.87 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
31.87 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Kilbirnie's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Kilbirnie properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 77 Kilbirnie properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 77 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Kilbirnie.
Kilbirnie at a glance
Schools in and near Kilbirnie
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: 3.17 km from the suburb boundary
Secondary: 19.89 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 Kilbirnie is zoned
Selling in Kilbirnie? 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 31.87 km², Kilbirnie is highly constrained by planning overlays. About 11% of the suburb sits within a mapped flood overlay, and 42% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 402,791 m² across 74 parcels.
Who lives in Kilbirnie
Census 2021 figures published by the ABS for the Kilbirnie 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 963, and decile 5 within Queensland. The national average is 1000.
Age profile
Share of Kilbirnie's 68 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Crows Nest - Rosalie, the wider ABS statistical area containing Kilbirnie. There is no annual population series published at suburb level, so this describes the surrounding area rather than Kilbirnie itself.
7,766 in 2001 to 9,824 in 2025, up 27%.
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.
Kilbirnie 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 Kilbirnie 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 Kilbirnie. 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 (+$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 Kilbirnie lot.
See what's in the $9 report →Kilbirnie planning - frequently asked
Is Kilbirnie flood-prone?
About 11% of Kilbirnie falls within a mapped flood overlay, against the council-wide suburb average of 24%. Across the suburb, 0% of the 77 properties we analysed carry some level of mapped flood risk.
Is Kilbirnie bushfire-prone?
Around 42% of Kilbirnie is mapped as bushfire-prone, compared with a Toowoomba Regional average of 20%.
What is the zoning in Kilbirnie?
The dominant planning zone in Kilbirnie is Rural.
Does Kilbirnie have heritage-listed places?
No heritage-listed places are on record within Kilbirnie.
Is Kilbirnie hilly or flat?
Kilbirnie is gently undulating: the median ground slope is about 7%, and 9% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 498 m to 624 m AHD across the suburb.
What is the typical lot size in Kilbirnie?
Across 74 surveyed parcels in Kilbirnie, the median lot size is about 402,791 m².
What is the population of Kilbirnie?
At the 2021 Census Kilbirnie had 68 usual residents, with a median age of 49 and an average household size of 2.6 people. The wider Crows Nest - Rosalie statistical area, which contains Kilbirnie, went from 7,766 people in 2001 to 9,824 in 2025, up 27%.
Is Kilbirnie an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Kilbirnie scores 963 and sits in decile 4 of 10 nationally and decile 5 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Kilbirnie?
Median household income in Kilbirnie was $1,562 a week at the 2021 Census, against $1,583 for the typical suburb in Toowoomba Regional. Median rent was $260 a week and the median mortgage repayment $1,517 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Mount Darry | 6.3 km | 18% | 23% |
| Doctor Creek | 6.4 km | 10% | 47% |
| Highland Plains | 6.7 km | 15% | 30% |
| Haden | 7.1 km | 5% | 28% |
| Goombungee | 8.2 km | 15% | 18% |
| Bergen | 8.3 km | 6% | 18% |
| Djuan | 10.0 km | <1% | 30% |
| Rosalie Plains | 10.4 km | 36% | 10% |
| Silverleigh | 11.0 km | 44% | 6% |
| Evergreen | 12.3 km | 17% | 12% |