Silverdale flood map & planning overlays
A planning-constraint profile of Silverdale
(Scenic Rim Regional, QLD) - 38.83 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 12 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
38.83 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Silverdale's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Silverdale properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 80 Silverdale properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 80 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Silverdale.
Silverdale flood history and overland flow
These are suburb-wide totals across 80 analysed properties. They show how common each mapped category is across Silverdale; they do not identify or describe any individual property.
Recorded historical flood mapping
33 analysed properties intersect at least one mapped historical event extent.
- Defined Flood Event: 33
Source: Scenic Rim Regional Council flood mapping, aggregated by LayeredGeo. Categories are only shown where at least five analysed properties share them. An address-level check is still required to determine whether a particular lot is mapped.
Silverdale at a glance
Schools in and near Silverdale
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: 3.37 km from the suburb boundary
Secondary: 12.03 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 Silverdale is zoned
Selling in Silverdale? 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 38.83 km², Silverdale is highly constrained by planning overlays. About 20% of the suburb sits within a mapped flood overlay, and 32% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 324,618 m² across 85 parcels.
Who lives in Silverdale
Census 2021 figures published by the ABS for the Silverdale 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 992, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Silverdale's 112 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Boonah, the wider ABS statistical area containing Silverdale. There is no annual population series published at suburb level, so this describes the surrounding area rather than Silverdale itself.
9,556 in 2001 to 13,450 in 2025, up 41%.
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.
Silverdale 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 12 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 Silverdale 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.
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 Silverdale lot.
See what's in the $9 report →Silverdale planning - frequently asked
Is Silverdale flood-prone?
About 20% of Silverdale falls within a mapped flood overlay, against the council-wide suburb average of 12%. Across the suburb, 39% of the 80 properties we analysed carry some level of mapped flood risk, including 31 rated high risk or historically affected.
Is Silverdale bushfire-prone?
Around 32% of Silverdale is mapped as bushfire-prone, compared with a Scenic Rim Regional average of 52%.
What is the zoning in Silverdale?
The dominant planning zone in Silverdale is Rural, though the suburb also includes Community Facilities.
Does Silverdale have heritage-listed places?
No heritage-listed places are on record within Silverdale.
Is Silverdale hilly or flat?
Silverdale is gently undulating: the median ground slope is about 4%, and 1% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 62 m to 144 m AHD across the suburb.
What is the typical lot size in Silverdale?
Across 85 surveyed parcels in Silverdale, the median lot size is about 324,618 m². There are also 5 registered easements mapped in the suburb.
What is the population of Silverdale?
At the 2021 Census Silverdale had 112 usual residents, with a median age of 37 and an average household size of 3.2 people. The wider Boonah statistical area, which contains Silverdale, went from 9,556 people in 2001 to 13,450 in 2025, up 41%.
Is Silverdale an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Silverdale scores 992 and sits in decile 6 of 10 nationally and decile 7 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Silverdale?
Median household income in Silverdale was $1,981 a week at the 2021 Census, against $1,562 for the typical suburb in Scenic Rim Regional. Median rent was $392 a week and the median mortgage repayment $1,442 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Kents Lagoon | 4.1 km | 57% | 28% |
| Radford | 5.8 km | 69% | 20% |
| Kalbar | 5.8 km | 30% | 21% |
| Munbilla | 6.4 km | 26% | 28% |
| Warrill View | 6.5 km | 31% | 28% |
| Obum Obum | 7.4 km | 0% | 26% |
| Fassifern | 7.5 km | 43% | 17% |
| Frazerview | 8.0 km | 6% | 69% |
| Wilsons Plains | 8.5 km | 28% | 10% |
| Blantyre | 8.8 km | 0% | 29% |