Southend flood map & planning overlays
A planning-constraint profile of Southend
(Wattle Range Council, SA) - 37.94 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
37.94 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Southend's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Southend at a glance
How Southend is zoned
Selling in Southend? 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 37.94 km², Southend is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 99% is flagged bushfire-prone. The dominant land-use zone is Conservation. The median lot measures about 1,045 m² across 438 parcels.
Who lives in Southend
Census 2021 figures published by the ABS for the Southend 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 947, and decile 4 within South Australia. The national average is 1000.
Age profile
Share of Southend's 301 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Wattle Range, the wider ABS statistical area containing Southend. There is no annual population series published at suburb level, so this describes the surrounding area rather than Southend itself.
3,611 in 2001 to 3,676 in 2025, up 2%.
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.
Southend 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 Southend 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 Southend lot.
See what's in the $9 report →Southend planning - frequently asked
Is Southend flood-prone?
Flood mapping covers Southend and none of the suburb falls within a mapped flood overlay.
Is Southend bushfire-prone?
Around 99% of Southend is mapped as bushfire-prone, compared with a Wattle Range Council average of 100%.
What is the zoning in Southend?
The dominant planning zone in Southend is Conservation, though the suburb also includes Rural and Neighbourhood.
Does Southend have heritage-listed places?
No heritage-listed places are on record within Southend.
What is the typical lot size in Southend?
Across 438 surveyed parcels in Southend, the median lot size is about 1,045 m².
What is the population of Southend?
At the 2021 Census Southend had 301 usual residents, with a median age of 50 and an average household size of 2.3 people. The wider Wattle Range statistical area, which contains Southend, went from 3,611 people in 2001 to 3,676 in 2025, up 2%.
Is Southend an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Southend scores 947 and sits in decile 3 of 10 nationally and decile 4 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Southend?
Median household income in Southend was $1,761 a week at the 2021 Census, against $1,356 for the typical suburb in Wattle Range Council. Median rent was $245 a week and the median mortgage repayment $1,487 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Rendelsham | 5.3 km | 0% | 100% |
| Hatherleigh | 13.9 km | 0% | 100% |
| Thornlea | 14.3 km | 0% | 100% |
| Millicent | 16.1 km | 0% | 100% |
| Magarey | 16.5 km | 0% | 100% |
| Beachport | 19.0 km | 0% | 99% |
| Sebastopol | 19.7 km | 0% | 100% |
| Furner | 21.5 km | 0% | 100% |
| Rocky Camp | 21.9 km | 0% | 100% |
| Kangaroo Inn | 23.3 km | 0% | 100% |