Willochra flood map & planning overlays
A planning-constraint profile of Willochra
(The Flinders Ranges Council, SA) - 479.76 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 4 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
479.76 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Willochra's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Willochra at a glance
How Willochra is zoned
Selling in Willochra? 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 479.76 km², Willochra 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. There is 1 heritage-listed site on record, and the dominant land-use zone is Rural. The median lot measures about 35,884 m² across 766 parcels.
Who lives in Willochra
Census 2021 figures published by the ABS for the Willochra 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 989, and decile 6 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Quorn - Lake Gilles, the wider ABS statistical area containing Willochra. There is no annual population series published at suburb level, so this describes the surrounding area rather than Willochra itself.
2,274 in 2001 to 2,170 in 2025, down 5%.
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.
Willochra 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 | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 4 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 Willochra 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 Willochra lot.
See what's in the $9 report →Willochra planning - frequently asked
Is Willochra flood-prone?
Flood mapping covers Willochra and none of the suburb falls within a mapped flood overlay.
Is Willochra bushfire-prone?
Around 100% of Willochra is mapped as bushfire-prone, compared with a The Flinders Ranges Council average of 100%.
What is the zoning in Willochra?
The dominant planning zone in Willochra is Rural.
Does Willochra have heritage-listed places?
Willochra has 1 heritage-listed place on record.
What is the typical lot size in Willochra?
Across 766 surveyed parcels in Willochra, the median lot size is about 35,884 m².
Is Willochra an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Willochra scores 989 and sits in decile 6 of 10 nationally and decile 6 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Kanyaka | 16.2 km | 0% | 100% |
| Stephenston | 16.4 km | 0% | 100% |
| Quorn | 20.2 km | 0% | 100% |
| Moockra The District Council of Mount Remarkable |
22.2 km | 0% | 100% |
| Bruce The District Council of Mount Remarkable |
28.6 km | 0% | 100% |
| Cradock The District Council of Orroroo Carrieton |
31.9 km | 0% | 100% |
| Hammond The District Council of Mount Remarkable |
33.9 km | 0% | 100% |
| Yanyarrie The District Council of Orroroo Carrieton |
36.0 km | 0% | 100% |
| Saltia | 36.9 km | 0% | 100% |
| Mundallio Port Augusta City Council |
38.4 km | 0% | 100% |