Coolillie flood map & planning overlays
A planning-constraint profile of Coolillie
(District Council of Elliston, SA) - 234.14 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
234.14 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Coolillie's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Coolillie at a glance
How Coolillie is zoned
Selling in Coolillie? 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 234.14 km², Coolillie 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 1,806,551 m² across 125 parcels.
Who lives in Coolillie
Census 2021 figures published by the ABS for the Coolillie 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 964, and decile 4 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Le Hunte - Elliston, the wider ABS statistical area containing Coolillie. There is no annual population series published at suburb level, so this describes the surrounding area rather than Coolillie itself.
2,537 in 2001 to 2,207 in 2025, down 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.
Coolillie 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 Coolillie 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 Coolillie lot.
See what's in the $9 report →Coolillie planning - frequently asked
Is Coolillie flood-prone?
Flood mapping covers Coolillie and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 0%).
Is Coolillie bushfire-prone?
Around 100% of Coolillie is mapped as bushfire-prone, compared with a District Council of Elliston average of 99%.
What is the zoning in Coolillie?
The dominant planning zone in Coolillie is Rural, though the suburb also includes Conservation.
Does Coolillie have heritage-listed places?
No heritage-listed places are on record within Coolillie.
What is the typical lot size in Coolillie?
Across 125 surveyed parcels in Coolillie, the median lot size is about 1,806,551 m².
Is Coolillie an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Coolillie scores 964 and sits in decile 4 of 10 nationally and decile 4 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Mount Wedge | 15.5 km | 0% | 100% |
| Mount Joy | 17.5 km | 0% | 100% |
| Palkagee | 19.6 km | 0% | 100% |
| Cocata Wudinna District Council |
21.1 km | 0% | 100% |
| Kappawanta | 25.0 km | 0% | 100% |
| Polda | 25.4 km | 0% | 100% |
| Colton | 29.1 km | 0% | 99% |
| Bramfield | 30.4 km | 0% | 100% |
| Mount Damper Wudinna District Council |
35.1 km | 0% | 100% |
| Talia | 37.0 km | 0% | 100% |