Maclagan flood map & planning overlays
A planning-constraint profile of Maclagan
(Toowoomba Regional, QLD) - 76.41 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
76.41 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Maclagan's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Maclagan properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 162 Maclagan properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 162 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Maclagan.
Maclagan at a glance
Schools in and near Maclagan
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: 1.47 km from the suburb boundary
Secondary: 1.47 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 Maclagan is zoned
Selling in Maclagan? 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 76.41 km², Maclagan is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 14% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 172,981 m² across 165 parcels.
Who lives in Maclagan
Census 2021 figures published by the ABS for the Maclagan 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 927, and decile 3 within Queensland. The national average is 1000.
Age profile
Share of Maclagan's 130 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Crows Nest - Rosalie, the wider ABS statistical area containing Maclagan. There is no annual population series published at suburb level, so this describes the surrounding area rather than Maclagan 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.
Maclagan 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 Maclagan 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 Maclagan. 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 Maclagan lot.
See what's in the $9 report →Maclagan planning - frequently asked
Is Maclagan flood-prone?
About 18% of Maclagan falls within a mapped flood overlay, against the council-wide suburb average of 24%. Across the suburb, 49% of the 162 properties we analysed carry some level of mapped flood risk, including 24 rated high risk or historically affected.
Is Maclagan bushfire-prone?
Around 14% of Maclagan is mapped as bushfire-prone, compared with a Toowoomba Regional average of 20%.
What is the zoning in Maclagan?
The dominant planning zone in Maclagan is Rural, though the suburb also includes Township and Unzoned.
Does Maclagan have heritage-listed places?
Maclagan has 2 heritage-listed places on record.
Is Maclagan hilly or flat?
Maclagan is gently undulating: the median ground slope is about 5%, and 11% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 452 m to 649 m AHD across the suburb.
What is the typical lot size in Maclagan?
Across 165 surveyed parcels in Maclagan, the median lot size is about 172,981 m².
What is the population of Maclagan?
At the 2021 Census Maclagan had 130 usual residents, with a median age of 46 and an average household size of 2.4 people. The wider Crows Nest - Rosalie statistical area, which contains Maclagan, went from 7,766 people in 2001 to 9,824 in 2025, up 27%.
Is Maclagan an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Maclagan scores 927 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 Maclagan?
Median household income in Maclagan was $1,300 a week at the 2021 Census, against $1,583 for the typical suburb in Toowoomba Regional. Median rent was $188 a week and the median mortgage repayment $650 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| North Maclagan | 3.0 km | 14% | 21% |
| Woodleigh | 3.1 km | 30% | 5% |
| Narko | 5.8 km | 11% | 25% |
| Rangemore | 7.6 km | 12% | 56% |
| Malling | 8.1 km | 6% | 5% |
| Nutgrove | 8.1 km | 1% | 39% |
| Peranga | 8.7 km | 23% | 7% |
| Highgrove | 10.9 km | 8% | 35% |
| Upper Cooyar Creek | 11.4 km | <1% | 49% |
| Quinalow | 11.5 km | 26% | 8% |