Hornsdale flood map & planning overlays
A planning-constraint profile of Hornsdale
(Northern Areas Council, SA) - 99.29 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
99.29 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Hornsdale's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Hornsdale at a glance
How Hornsdale is zoned
Selling in Hornsdale? 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 99.29 km², Hornsdale 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 734,255 m² across 131 parcels.
Who lives in Hornsdale
Census 2021 figures published by the ABS for the Hornsdale 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 1022, and decile 8 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Jamestown, the wider ABS statistical area containing Hornsdale. There is no annual population series published at suburb level, so this describes the surrounding area rather than Hornsdale itself.
4,794 in 2001 to 4,724 in 2025, down 1%.
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.
Hornsdale 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 Hornsdale 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 Hornsdale lot.
See what's in the $9 report →Hornsdale planning - frequently asked
Is Hornsdale flood-prone?
Flood mapping covers Hornsdale and none of the suburb falls within a mapped flood overlay.
Is Hornsdale bushfire-prone?
Around 100% of Hornsdale is mapped as bushfire-prone, compared with a Northern Areas Council average of 100%.
What is the zoning in Hornsdale?
The dominant planning zone in Hornsdale is Rural.
Does Hornsdale have heritage-listed places?
No heritage-listed places are on record within Hornsdale.
What is the typical lot size in Hornsdale?
Across 131 surveyed parcels in Hornsdale, the median lot size is about 734,255 m².
Is Hornsdale an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Hornsdale scores 1022 and sits in decile 7 of 10 nationally and decile 8 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Caltowie North | 9.1 km | 0% | 100% |
| Tarcowie | 10.5 km | 0% | 100% |
| Appila The District Council of Mount Remarkable |
10.8 km | 0% | 100% |
| Mannanarie | 11.4 km | 0% | 100% |
| Jamestown | 15.0 km | 0% | 100% |
| Caltowie West | 17.7 km | 0% | 100% |
| Yatina The District Council of Orroroo Carrieton |
18.1 km | 0% | 100% |
| Caltowie | 18.4 km | 0% | 100% |
| Yongala The District Council of Peterborough |
20.2 km | 0% | 100% |
| Belalie North | 21.0 km | 0% | 100% |