Cape Barren Island flood map & planning overlays
A planning-constraint profile of Cape Barren Island
(Flinders, TAS) - 465.92 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 10 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
465.92 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Cape Barren Island's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Cape Barren Island at a glance
How Cape Barren Island is zoned
Buying in Cape Barren Island? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title.
Across its 465.92 km², Cape Barren Island is highly constrained by planning overlays. About 13% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Particular Purpose. The median lot measures about 181,233 m² across 118 parcels.
Who lives in Cape Barren Island
Census 2021 figures published by the ABS for the Cape Barren Island 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 792, and decile 1 within Tasmania. The national average is 1000.
Age profile
Share of Cape Barren Island's 64 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Flinders and Cape Barren Islands, the wider ABS statistical area containing Cape Barren Island. There is no annual population series published at suburb level, so this describes the surrounding area rather than Cape Barren Island itself.
896 in 2001 to 924 in 2025, up 3%.
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.
Cape Barren Island 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 Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Bushfire-prone mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Zoning | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Heritage and environment | Mapped where published | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Aircraft noise contours (ANEF) | Not held | the Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence |
| Observed flight paths | Not watched | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 10 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 Cape Barren Island 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 →Cape Barren Island planning - frequently asked
Is Cape Barren Island flood-prone?
About 13% of Cape Barren Island falls within a mapped flood overlay, against the council-wide suburb average of 13%.
Is Cape Barren Island bushfire-prone?
Around 100% of Cape Barren Island is mapped as bushfire-prone, compared with a Flinders average of 99%.
What is the zoning in Cape Barren Island?
The dominant planning zone in Cape Barren Island is Particular Purpose.
Does Cape Barren Island have heritage-listed places?
No heritage-listed places are on record within Cape Barren Island.
What is the typical lot size in Cape Barren Island?
Across 118 surveyed parcels in Cape Barren Island, the median lot size is about 181,233 m².
What is the population of Cape Barren Island?
At the 2021 Census Cape Barren Island had 64 usual residents, with a median age of 51 and an average household size of 2.0 people. The wider Flinders and Cape Barren Islands statistical area, which contains Cape Barren Island, went from 896 people in 2001 to 924 in 2025, up 3%.
Is Cape Barren Island an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Cape Barren Island scores 792 and sits in decile 1 of 10 nationally and decile 1 within Tasmania (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Cape Barren Island?
Median household income in Cape Barren Island was $725 a week at the 2021 Census, against $1,240 for the typical suburb in Flinders. Median rent was $85 a week.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Lady Barron | 20.7 km | 30% | 99% |
| Strzelecki | 21.0 km | 1% | 100% |
| Loccota | 24.7 km | 37% | 99% |
| Ranga | 26.7 km | 0% | 100% |
| Lackrana | 32.4 km | 12% | 92% |
| Whitemark | 38.0 km | 8% | 100% |
| Blue Rocks | 44.4 km | 16% | 100% |
| Cape Portland Dorset |
45.8 km | 29% | 100% |
| Emita | 48.7 km | 7% | 100% |
| Memana | 48.8 km | 9% | 99% |