Wirrulla flood map & planning overlays
A planning-constraint profile of Wirrulla
(The District Council of Streaky Bay, SA) - 148.84 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 23 August 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
148.84 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Wirrulla's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Wirrulla at a glance
How Wirrulla is zoned
Selling in Wirrulla? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.
Across its 148.84 km², Wirrulla is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 1,027 m² across 169 parcels.
Who lives in Wirrulla
Census 2021 figures published by the ABS for the Wirrulla 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 982, and decile 6 within South Australia. The national average is 1000.
Age profile
Share of Wirrulla's 107 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of West Coast (SA), the wider ABS statistical area containing Wirrulla. There is no annual population series published at suburb level, so this describes the surrounding area rather than Wirrulla itself.
3,437 in 2001 to 3,895 in 2025, up 13%.
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.
Wirrulla 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 South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, 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 23 August 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 Wirrulla 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 Wirrulla lot.
See what's in the $9 report →Wirrulla planning - frequently asked
Is Wirrulla flood-prone?
Flood mapping covers Wirrulla and none of the suburb falls within a mapped flood overlay.
Is Wirrulla bushfire-prone?
Around 100% of Wirrulla is mapped as bushfire-prone, compared with a The District Council of Streaky Bay average of 98%.
What is the zoning in Wirrulla?
The dominant planning zone in Wirrulla is Rural, though the suburb also includes Recreation and Township.
Does Wirrulla have heritage-listed places?
No heritage-listed places are on record within Wirrulla.
What is the typical lot size in Wirrulla?
Across 169 surveyed parcels in Wirrulla, the median lot size is about 1,027 m².
What is the population of Wirrulla?
At the 2021 Census Wirrulla had 107 usual residents, with a median age of 41 and an average household size of 2.6 people. The wider West Coast (SA) statistical area, which contains Wirrulla, went from 3,437 people in 2001 to 3,895 in 2025, up 13%.
Is Wirrulla an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Wirrulla scores 982 and sits in decile 5 of 10 nationally and decile 6 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Wirrulla?
Median household income in Wirrulla was $979 a week at the 2021 Census, against $1,062 for the typical suburb in The District Council of Streaky Bay. Median rent was $111 a week and the median mortgage repayment $433 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Wallala | 12.7 km | 0% | 100% |
| Pimbaacla The District Council of Ceduna |
13.2 km | 0% | 100% |
| Yantanabie | 14.6 km | 0% | 100% |
| Petina | 16.4 km | 0% | 100% |
| Koolgera | 19.1 km | 0% | 100% |
| Chilpenunda | 19.7 km | 0% | 100% |
| Cungena | 23.6 km | 0% | 100% |
| Nunjikompita The District Council of Ceduna |
27.2 km | 0% | 100% |
| Perlubie | 28.3 km | 0% | 99% |
| Pureba The District Council of Ceduna |
31.2 km | 0% | 100% |
See all The District Council of Streaky Bay suburb profiles →