Thallon flood map & planning overlays
A planning-constraint profile of Thallon
(Balonne Shire, QLD) - 2093.32 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 16 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
2093.32 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Thallon's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Thallon at a glance
Schools in and near Thallon
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: 25.32 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 Thallon is zoned
Selling in Thallon? 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 2093.32 km², Thallon is highly constrained by planning overlays. About 16% of the suburb sits within a mapped flood overlay, and 23% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Rural. The median lot measures about 23,860 m² across 367 parcels.
Who lives in Thallon
Census 2021 figures published by the ABS for the Thallon 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 973, and decile 6 within Queensland. The national average is 1000.
Age profile
Share of Thallon's 231 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Balonne, the wider ABS statistical area containing Thallon. There is no annual population series published at suburb level, so this describes the surrounding area rather than Thallon itself.
5,473 in 2001 to 4,350 in 2025, down 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.
Thallon 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 16 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 Thallon 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 Thallon lot.
See what's in the $9 report →Thallon planning - frequently asked
Is Thallon flood-prone?
About 16% of Thallon falls within a mapped flood overlay, against the council-wide suburb average of 31%.
Is Thallon bushfire-prone?
Around 23% of Thallon is mapped as bushfire-prone, compared with a Balonne Shire average of 30%.
What is the zoning in Thallon?
The dominant planning zone in Thallon is Rural, though the suburb also includes Township and Recreation and open space.
Does Thallon have heritage-listed places?
Thallon has 1 heritage-listed place on record.
What is the typical lot size in Thallon?
Across 367 surveyed parcels in Thallon, the median lot size is about 23,860 m². There are also 4 registered easements mapped in the suburb.
What is the population of Thallon?
At the 2021 Census Thallon had 231 usual residents, with a median age of 42 and an average household size of 2.6 people. The wider Balonne statistical area, which contains Thallon, went from 5,473 people in 2001 to 4,350 in 2025, down 21%.
Is Thallon an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Thallon scores 973 and sits in decile 5 of 10 nationally and decile 6 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Thallon?
Median household income in Thallon was $1,239 a week at the 2021 Census, against $1,252 for the typical suburb in Balonne Shire. Median rent was $125 a week and the median mortgage repayment $800 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Mungindi | 34.3 km | 1% | 27% |
| St George | 54.8 km | 51% | 31% |
| Dirranbandi | 67.8 km | 44% | 28% |
| Flinton Western Downs Regional |
111.1 km | Not mapped | 32% |
| Westmar Western Downs Regional |
122.6 km | Not mapped | 29% |
| Hebel | 127.1 km | 2% | 43% |
| Coomrith Western Downs Regional |
135.4 km | 5% | 30% |
| Bollon | 145.2 km | 73% | 28% |
| Inglestone Western Downs Regional |
146.3 km | 2% | 21% |
| Southwood Western Downs Regional |
147.3 km | Not mapped | 39% |