Isla flood map & planning overlays

A planning-constraint profile of Isla (Banana Shire, QLD) - 847.13 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 5 October 2026.

Elevation hillshade with street names, clipped to Isla's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

Isla at a glance

Parcels 191 Median lot 420,820 m² Mapped easements 5 Schools in suburb 0

Schools in and near Isla

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

0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.

Nearest school availability

Primary: 0.24 km from the suburb boundary

Secondary: 0.24 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 Isla is zoned

Rural 91%
Environmental management and conservation 9%
Community facilities 0%
Recreation and open space 0%

Selling in Isla? 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 847.13 km², Isla is highly constrained by planning overlays. About 44% of the suburb sits within a mapped flood overlay, and 51% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 420,820 m² across 191 parcels.

Who lives in Isla

Census 2021 figures published by the ABS for the Isla suburb boundary itself, not a wider region.

Population
213
usual residents, 2021
Median age
46
years
Median household income
$1,625
per week, Banana Shire suburb typical $1,781
Median rent
$250
per week, Banana Shire suburb typical $200
Median mortgage
$1,592
per month
Household size
2.5
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 7
most disadvantagedleast disadvantaged

Score 1019, and decile 8 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 8
most disadvantagedleast disadvantaged

Age profile

Share of Isla's 213 residents in each ABS age band.

0-4 5.9%
5-14 14.2%
15-19 3.2%
20-24 2.7%
25-34 9.6%
35-44 11.0%
45-54 16.0%
55-64 12.8%
65-74 16.4%
75-84 5.9%
85+ 2.3%

Population trend, 2001 to 2025

Estimated resident population of Banana, the wider ABS statistical area containing Isla. There is no annual population series published at suburb level, so this describes the surrounding area rather than Isla itself.

9,866 in 2001 to 9,297 in 2025, down 6%.

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.

Isla data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedthe relevant council planning scheme and Queensland Government spatial data
Bushfire-prone mappingMappedthe relevant council planning scheme and Queensland Government spatial data
ZoningMappedthe relevant council planning scheme and Queensland Government spatial data
Heritage and environmentMapped where publishedthe relevant council planning scheme and Queensland Government spatial data
Aircraft noise contours (ANEF)Not heldthe relevant council planning scheme and Queensland Government spatial data, Defence
Observed flight pathsWatched, not yet sampled hereadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)
School availabilityAvailableQueensland Government

Profile last materially updated 5 October 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 Isla 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.

See what's in the $9 report →

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Isla lot.

Isla planning - frequently asked

Is Isla flood-prone?

About 44% of Isla falls within a mapped flood overlay, against the council-wide suburb average of 47%.

Is Isla bushfire-prone?

Around 51% of Isla is mapped as bushfire-prone, compared with a Banana Shire average of 41%.

What is the zoning in Isla?

The dominant planning zone in Isla is Rural, though the suburb also includes Environmental management and conservation and Community facilities.

Does Isla have heritage-listed places?

No heritage-listed places are on record within Isla.

What is the typical lot size in Isla?

Across 191 surveyed parcels in Isla, the median lot size is about 420,820 m². There are also 5 registered easements mapped in the suburb.

What is the population of Isla?

At the 2021 Census Isla had 213 usual residents, with a median age of 46 and an average household size of 2.5 people. The wider Banana statistical area, which contains Isla, went from 9,866 people in 2001 to 9,297 in 2025, down 6%.

Is Isla an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Isla scores 1019 and sits in decile 7 of 10 nationally and decile 8 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Isla?

Median household income in Isla was $1,625 a week at the 2021 Census, against $1,781 for the typical suburb in Banana Shire. Median rent was $250 a week and the median mortgage repayment $1,592 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Ghinghinda 23.3 km 35% 77%
Theodore 23.6 km 100% 52%
Glenmoral 24.0 km 44% 41%
Lonesome Creek 28.4 km 63% 17%
Spring Creek 29.7 km 40% 51%
Cracow 35.5 km 36% 74%
Camboon 40.8 km 37% 50%
Glebe 48.8 km 45% 44%
Roundstone 49.8 km 55% 38%
Gwambegwine 49.9 km 34% 80%

See all Banana Shire suburb profiles →