St Helens flood map & planning overlays
A planning-constraint profile of St Helens
(Toowoomba Regional, QLD) - 46.0 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
46.0 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Helens's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across St Helens properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 59 St Helens properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 59 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in St Helens.
St Helens at a glance
Schools in and near St Helens
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: 6.64 km from the suburb boundary
Secondary: 10.18 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 St Helens is zoned
Selling in St Helens? 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 46.0 km², St Helens is highly constrained by planning overlays. About 88% of the suburb sits within a mapped flood overlay. The dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 811,141 m² across 48 parcels.
Who lives in St Helens
Census 2021 figures published by the ABS for the St Helens 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.
Population trend, 2001 to 2025
Estimated resident population of Pittsworth, the wider ABS statistical area containing St Helens. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Helens itself.
4,934 in 2001 to 5,951 in 2025, up 21%.
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.
St Helens 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 St Helens 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 St Helens. 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 St Helens lot.
See what's in the $9 report →St Helens planning - frequently asked
Is St Helens flood-prone?
About 88% of St Helens falls within a mapped flood overlay, against the council-wide suburb average of 24%. Across the suburb, 0% of the 59 properties we analysed carry some level of mapped flood risk.
Is St Helens bushfire-prone?
Bushfire mapping covers St Helens and little to none of it is mapped as bushfire-prone (the Toowoomba Regional average is 20%).
What is the zoning in St Helens?
The dominant planning zone in St Helens is Rural, though the suburb also includes Unzoned.
Does St Helens have heritage-listed places?
No heritage-listed places are on record within St Helens.
Is St Helens hilly or flat?
St Helens is largely flat: the median ground slope is about 0%. Ground level runs from roughly 386 m to 430 m AHD across the suburb.
What is the typical lot size in St Helens?
Across 48 surveyed parcels in St Helens, the median lot size is about 811,141 m². There are also 9 registered easements mapped in the suburb.
Is St Helens an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Helens scores 997 and sits in decile 6 of 10 nationally and decile 7 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Brookstead | 5.8 km | 72% | <1% |
| Irongate | 6.0 km | 36% | 9% |
| Yarranlea | 8.7 km | 36% | 5% |
| Springside | 9.5 km | 19% | 17% |
| Rossvale | 11.7 km | 13% | 14% |
| Bongeen | 13.6 km | 87% | 0% |
| Stoneleigh | 14.3 km | 10% | 28% |
| Branchview | 14.4 km | 85% | <1% |
| Scrubby Mountain | 14.4 km | 15% | 10% |
| Kincora | 15.1 km | 44% | <1% |