Roxby Downs flood map & planning overlays
A planning-constraint profile of Roxby Downs
(Municipal Council of Roxby Downs, SA) - 155.79 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 8 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
155.79 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Roxby Downs's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Roxby Downs at a glance
How Roxby Downs is zoned
Selling in Roxby Downs? 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 155.79 km², Roxby Downs 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 Conservation. The median lot measures about 719 m² across 1,860 parcels.
Who lives in Roxby Downs
Census 2021 figures published by the ABS for the Roxby Downs 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 1004, and decile 7 within South Australia. The national average is 1000.
Age profile
Share of Roxby Downs's 3,671 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Roxby Downs, the wider ABS statistical area containing Roxby Downs. There is no annual population series published at suburb level, so this describes the surrounding area rather than Roxby Downs itself.
3,618 in 2001 to 4,089 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.
Roxby Downs 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 8 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 Roxby Downs 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 Roxby Downs lot.
See what's in the $9 report →Roxby Downs planning - frequently asked
Is Roxby Downs flood-prone?
Flood mapping covers Roxby Downs and none of the suburb falls within a mapped flood overlay.
Is Roxby Downs bushfire-prone?
Around 100% of Roxby Downs is mapped as bushfire-prone, compared with a Municipal Council of Roxby Downs average of 100%.
What is the zoning in Roxby Downs?
The dominant planning zone in Roxby Downs is Conservation, though the suburb also includes Remote Areas and Infrastructure (Airfield).
Does Roxby Downs have heritage-listed places?
No heritage-listed places are on record within Roxby Downs.
What is the typical lot size in Roxby Downs?
Across 1,860 surveyed parcels in Roxby Downs, the median lot size is about 719 m².
What is the population of Roxby Downs?
At the 2021 Census Roxby Downs had 3,671 usual residents, with a median age of 30 and an average household size of 2.7 people. The wider Roxby Downs statistical area, which contains Roxby Downs, went from 3,618 people in 2001 to 4,089 in 2025, up 13%.
Is Roxby Downs an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Roxby Downs scores 1004 and sits in decile 7 of 10 nationally and decile 7 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Roxby Downs?
Median household income in Roxby Downs was $3,142 a week at the 2021 Census, against $3,142 for the typical suburb in Municipal Council of Roxby Downs. Median rent was $260 a week and the median mortgage repayment $1,517 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Barndioota The Flinders Ranges Council |
189.8 km | 0% | 100% |
| Hawker The Flinders Ranges Council |
207.6 km | 0% | 100% |
| Kanyaka The Flinders Ranges Council |
214.3 km | 0% | 100% |
| Willochra The Flinders Ranges Council |
223.1 km | 0% | 100% |
| Shaggy Ridge The Flinders Ranges Council |
223.3 km | 0% | 100% |
| Port Augusta West Port Augusta City Council |
227.8 km | 0% | 93% |
| Wami Kata Port Augusta City Council |
228.3 km | 0% | 99% |
| Quorn The Flinders Ranges Council |
228.5 km | 0% | 100% |
| Davenport Port Augusta City Council |
230.2 km | 0% | 100% |
| Mundallio Port Augusta City Council |
230.5 km | 0% | 100% |