Mount Wedge flood map & planning overlays
A planning-constraint profile of Mount Wedge
(District Council of Elliston, SA) - 479.95 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
479.95 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Wedge's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Mount Wedge at a glance
How Mount Wedge is zoned
Selling in Mount Wedge? 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 479.95 km², Mount Wedge 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 1,690,399 m² across 148 parcels.
Who lives in Mount Wedge
Census 2021 figures published by the ABS for the Mount Wedge 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 Mount Wedge. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Wedge 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.
Mount Wedge 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 Mount Wedge 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 Mount Wedge lot.
See what's in the $9 report →Mount Wedge planning - frequently asked
Is Mount Wedge flood-prone?
Flood mapping covers Mount Wedge and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 0%).
Is Mount Wedge bushfire-prone?
Around 100% of Mount Wedge is mapped as bushfire-prone, compared with a District Council of Elliston average of 99%.
What is the zoning in Mount Wedge?
The dominant planning zone in Mount Wedge is Rural, though the suburb also includes Conservation.
Does Mount Wedge have heritage-listed places?
No heritage-listed places are on record within Mount Wedge.
What is the typical lot size in Mount Wedge?
Across 148 surveyed parcels in Mount Wedge, the median lot size is about 1,690,399 m².
Is Mount Wedge an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Wedge 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 |
|---|---|---|---|
| Coolillie | 15.5 km | 0% | 100% |
| Mount Joy | 15.6 km | 0% | 100% |
| Colton | 17.0 km | 0% | 99% |
| Talia | 21.5 km | 0% | 100% |
| Cocata Wudinna District Council |
21.5 km | 0% | 100% |
| Mount Damper Wudinna District Council |
27.8 km | 0% | 100% |
| Bramfield | 31.4 km | 0% | 100% |
| Elliston | 33.0 km | 1% | 99% |
| Palkagee | 33.6 km | 0% | 100% |
| Venus Bay | 34.2 km | 0% | 95% |