Topaz flood map & planning overlays
A planning-constraint profile of Topaz
(Tablelands Regional, QLD) - 46.42 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
46.42 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Topaz's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Topaz at a glance
Schools in and near Topaz
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: 1.89 km from the suburb boundary
Secondary: 9.47 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 Topaz is zoned
Selling in Topaz? 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 46.42 km², Topaz is highly constrained by planning overlays. About 35% of the suburb sits within a mapped flood overlay, and 1% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 330,653 m² across 128 parcels.
Who lives in Topaz
Census 2021 figures published by the ABS for the Topaz 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 983, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Topaz's 177 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Malanda - Yungaburra, the wider ABS statistical area containing Topaz. There is no annual population series published at suburb level, so this describes the surrounding area rather than Topaz itself.
7,816 in 2001 to 9,700 in 2025, up 24%.
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.
Topaz 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 Topaz 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Topaz lot.
See what's in the $9 report →Topaz planning - frequently asked
Is Topaz flood-prone?
About 35% of Topaz falls within a mapped flood overlay, against the council-wide suburb average of 36%.
Is Topaz bushfire-prone?
Around 1% of Topaz is mapped as bushfire-prone, compared with a Tablelands Regional average of 40%.
What is the zoning in Topaz?
The dominant planning zone in Topaz is Rural, though the suburb also includes Conservation and Community facilities.
Does Topaz have heritage-listed places?
No heritage-listed places are on record within Topaz.
What is the typical lot size in Topaz?
Across 128 surveyed parcels in Topaz, the median lot size is about 330,653 m². There are also 7 registered easements mapped in the suburb.
What is the population of Topaz?
At the 2021 Census Topaz had 177 usual residents, with a median age of 47 and an average household size of 2.3 people. The wider Malanda - Yungaburra statistical area, which contains Topaz, went from 7,816 people in 2001 to 9,700 in 2025, up 24%.
Is Topaz an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Topaz scores 983 and sits in decile 5 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 Topaz?
Median household income in Topaz was $1,062 a week at the 2021 Census, against $1,156 for the typical suburb in Tablelands Regional. Median rent was $250 a week and the median mortgage repayment $1,200 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Glen Allyn | 6.6 km | 43% | 1% |
| Wooroonooran | 7.1 km | 28% | 10% |
| Butchers Creek | 9.4 km | 34% | 11% |
| Tarzali | 10.2 km | 41% | 1% |
| Ellinjaa | 11.1 km | 38% | <1% |
| North Johnstone | 11.3 km | 39% | 0% |
| Millaa Millaa | 11.7 km | 37% | <1% |
| Mungalli | 13.5 km | 30% | <1% |
| Jaggan | 13.6 km | 39% | 1% |
| Malanda | 13.9 km | 42% | <1% |