Birkalla flood map & planning overlays
A planning-constraint profile of Birkalla
(Cassowary Coast Regional, QLD) - 7.84 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
7.84 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Birkalla's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Birkalla at a glance
Schools in and near Birkalla
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: 2.03 km from the suburb boundary
Secondary: 1.96 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 Birkalla is zoned
Selling in Birkalla? 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 7.84 km², Birkalla is highly constrained by planning overlays. About 90% of the suburb sits within a mapped flood overlay, and 13% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 12,413 m² across 89 parcels.
Who lives in Birkalla
Census 2021 figures published by the ABS for the Birkalla 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 917, and decile 3 within Queensland. The national average is 1000.
Age profile
Share of Birkalla's 156 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Tully, the wider ABS statistical area containing Birkalla. There is no annual population series published at suburb level, so this describes the surrounding area rather than Birkalla itself.
11,086 in 2001 to 11,867 in 2025, up 7%.
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.
Birkalla 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 Birkalla 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 Birkalla. 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 Birkalla lot.
See what's in the $9 report →Birkalla planning - frequently asked
Is Birkalla flood-prone?
About 90% of Birkalla falls within a mapped flood overlay, against the council-wide suburb average of 66%.
Is Birkalla bushfire-prone?
Around 13% of Birkalla is mapped as bushfire-prone, compared with a Cassowary Coast Regional average of 16%.
What is the zoning in Birkalla?
The dominant planning zone in Birkalla is Rural, though the suburb also includes Environmental management and conservation and Special purpose.
Does Birkalla have heritage-listed places?
No heritage-listed places are on record within Birkalla.
What is the typical lot size in Birkalla?
Across 89 surveyed parcels in Birkalla, the median lot size is about 12,413 m². There are also 12 registered easements mapped in the suburb.
What is the population of Birkalla?
At the 2021 Census Birkalla had 156 usual residents, with a median age of 45 and an average household size of 2.7 people. The wider Tully statistical area, which contains Birkalla, went from 11,086 people in 2001 to 11,867 in 2025, up 7%.
Is Birkalla an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Birkalla scores 917 and sits in decile 2 of 10 nationally and decile 3 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Birkalla?
Median household income in Birkalla was $1,399 a week at the 2021 Census, against $1,319 for the typical suburb in Cassowary Coast Regional. Median rent was $263 a week and the median mortgage repayment $1,429 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Midgenoo | 2.0 km | 95% | <1% |
| Merryburn | 2.6 km | 67% | 48% |
| Bulgun | 2.8 km | 73% | 0% |
| Feluga | 4.0 km | 69% | 6% |
| Tully | 4.3 km | 71% | 12% |
| East Feluga | 5.3 km | 67% | 32% |
| Mount Mackay | 5.7 km | 24% | 32% |
| Djarawong | 6.2 km | 45% | 1% |
| Silky Oak | 6.8 km | 91% | 12% |
| Friday Pocket | 9.2 km | 45% | 7% |