Helidon zoning & planning overlays
A planning-constraint profile of Helidon
(Lockyer Valley Regional, QLD) - 48.76 km², mapped from live council and
state overlay data. This suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
48.76 km² - this suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Elevation hillshade with street names, clipped to Helidon's boundary, with the bushfire and environmental overlays drawn on top. No flood layer is drawn because we hold no flood mapping for this area.
Nearby suburbs, nearest first
Helidon at a glance
Schools in and near Helidon
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
1 school providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: 10.92 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 Helidon is zoned
Selling in Helidon? 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 48.76 km², Helidon is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 82% is flagged bushfire-prone. There are 42 heritage-listed sites on record, and the dominant land-use zone is Rural. The median lot measures about 2,025 m² across 648 parcels.
Who lives in Helidon
Census 2021 figures published by the ABS for the Helidon 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 893, and decile 2 within Queensland. The national average is 1000.
Age profile
Share of Helidon's 1,130 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Lockyer Valley - West, the wider ABS statistical area containing Helidon. There is no annual population series published at suburb level, so this describes the surrounding area rather than Helidon itself.
8,973 in 2001 to 13,029 in 2025, up 45%.
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.
Helidon data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Not 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 Helidon 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 Helidon. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$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 Helidon lot.
See what's in the $9 report →Helidon planning - frequently asked
Is Helidon flood-prone?
We don't yet hold flood mapping covering Helidon, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Lockyer Valley Regional is the authority to check for flood mapping in this area.
Is Helidon bushfire-prone?
Around 82% of Helidon is mapped as bushfire-prone, compared with a Lockyer Valley Regional average of 63%.
What is the zoning in Helidon?
The dominant planning zone in Helidon is Rural, though the suburb also includes Conservation and Special Industry.
Does Helidon have heritage-listed places?
Helidon has 42 heritage-listed places on record.
What is the typical lot size in Helidon?
Across 648 surveyed parcels in Helidon, the median lot size is about 2,025 m². There are also 142 registered easements mapped in the suburb.
Does Helidon have a train station?
There is no train station inside Helidon itself. The suburb is served by 1 bus stop.
What is the population of Helidon?
At the 2021 Census Helidon had 1,130 usual residents, with a median age of 38 and an average household size of 2.6 people. The wider Lockyer Valley - West statistical area, which contains Helidon, went from 8,973 people in 2001 to 13,029 in 2025, up 45%.
Is Helidon an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Helidon scores 893 and sits in decile 2 of 10 nationally and decile 2 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Helidon?
Median household income in Helidon was $1,342 a week at the 2021 Census, against $1,521 for the typical suburb in Lockyer Valley Regional. Median rent was $313 a week and the median mortgage repayment $1,300 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Helidon Spa | 3.3 km | Not mapped | 86% |
| Lockyer | 5.9 km | Not mapped | 99% |
| Grantham | 5.9 km | Not mapped | 73% |
| Iredale | 5.9 km | Not mapped | 46% |
| Postmans Ridge | 6.7 km | Not mapped | 99% |
| Upper Lockyer | 7.0 km | Not mapped | 100% |
| Carpendale | 7.2 km | Not mapped | 28% |
| Derrymore | 8.6 km | Not mapped | 47% |
| White Mountain | 9.2 km | 0% | 100% |
| Seventeen Mile | 9.3 km | 0% | 100% |