Thevenard flood map & planning overlays
A planning-constraint profile of Thevenard
(The District Council of Ceduna, SA) - 2.27 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 23 August 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
2.27 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Thevenard's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Thevenard at a glance
How Thevenard is zoned
Selling in Thevenard? 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 2.27 km², Thevenard is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 26% is flagged bushfire-prone. The dominant land-use zone is Employment (Bulk Handling). The median lot measures about 1,005 m² across 382 parcels.
Who lives in Thevenard
Census 2021 figures published by the ABS for the Thevenard 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 928, and decile 3 within South Australia. The national average is 1000.
Age profile
Share of Thevenard's 563 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Ceduna, the wider ABS statistical area containing Thevenard. There is no annual population series published at suburb level, so this describes the surrounding area rather than Thevenard itself.
2,772 in 2001 to 2,854 in 2025, up 3%.
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.
Thevenard 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 | Not watched | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 23 August 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 Thevenard 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 Thevenard lot.
See what's in the $9 report →Thevenard planning - frequently asked
Is Thevenard flood-prone?
Flood mapping covers Thevenard and none of the suburb falls within a mapped flood overlay.
Is Thevenard bushfire-prone?
Around 26% of Thevenard is mapped as bushfire-prone, compared with a The District Council of Ceduna average of 94%.
What is the zoning in Thevenard?
The dominant planning zone in Thevenard is Employment (Bulk Handling), though the suburb also includes Coastal Waters and Offshore Islands and Neighbourhood.
Does Thevenard have heritage-listed places?
No heritage-listed places are on record within Thevenard.
What is the typical lot size in Thevenard?
Across 382 surveyed parcels in Thevenard, the median lot size is about 1,005 m².
What is the population of Thevenard?
At the 2021 Census Thevenard had 563 usual residents, with a median age of 47 and an average household size of 2.3 people. The wider Ceduna statistical area, which contains Thevenard, went from 2,772 people in 2001 to 2,854 in 2025, up 3%.
Is Thevenard an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Thevenard scores 928 and sits in decile 3 of 10 nationally and decile 3 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Thevenard?
Median household income in Thevenard was $1,393 a week at the 2021 Census, against $1,376 for the typical suburb in The District Council of Ceduna. Median rent was $223 a week and the median mortgage repayment $1,196 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Ceduna Waters | 5.5 km | 0% | 92% |
| Ceduna | 8.2 km | 0% | 98% |
| Denial Bay | 10.3 km | 0% | 95% |
| Nadia | 14.4 km | 0% | 66% |
| Merghiny | 17.2 km | 0% | 100% |
| Laura Bay | 18.2 km | 0% | 96% |
| Wandana | 23.9 km | 0% | 100% |
| Kalanbi | 25.7 km | 0% | 100% |
| Maltee | 28.6 km | 0% | 100% |
| Charra | 30.7 km | 0% | 93% |