South Plympton flood map & planning overlays
A planning-constraint profile of South Plympton
(City of Marion, SA) - 1.58 km², mapped from live council and
state overlay data. This suburb is relatively unconstrained.
Profile updated 3 October 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
1.58 km² - this suburb is relatively unconstrained by planning overlays.
Elevation hillshade with street names, clipped to South Plympton's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
Aircraft noise and flight paths over South Plympton
Two different things, kept apart on purpose. The ANEF contour is the planning instrument - a forecast published per airport that planning schemes use to control noise-sensitive development. Observed overflight is what a sampled aircraft-tracking feed actually recorded over the suburb - where aircraft flew, how low and how often.
Observed overflight - sampled 4 Sep to 3 Oct 2026
typical observed square 0 a day
Night movements: observed, lowest 500 ft - night is sampled as often as day, but night traffic is light, so this is a floor and no rate can be put on it.
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
South Plympton at a glance
How South Plympton is zoned
Selling in South Plympton? 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 1.58 km², South Plympton is relatively unconstrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay. There are 3 heritage-listed sites on record, and the dominant land-use zone is General Neighbourhood. The median lot measures about 412 m² across 2,428 parcels.
Who lives in South Plympton
Census 2021 figures published by the ABS for the South Plympton 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 998, and decile 7 within South Australia. The national average is 1000.
Age profile
Share of South Plympton's 4,721 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Edwardstown, the wider ABS statistical area containing South Plympton. There is no annual population series published at suburb level, so this describes the surrounding area rather than South Plympton itself.
12,225 in 2001 to 15,449 in 2025, up 26%.
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.
South Plympton 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 | Observed | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 3 October 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 South Plympton 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.
Aircraft have been seen below 3,000 ft over about 59% of South Plympton. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a South Plympton lot.
See what's in the $9 report →South Plympton planning - frequently asked
Is South Plympton flood-prone?
Flood mapping covers South Plympton and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 14%).
Is South Plympton bushfire-prone?
Bushfire mapping covers South Plympton and little to none of it is mapped as bushfire-prone (the City of Marion average is 9%).
Is South Plympton under a flight path?
Aircraft were observed below 3,000 ft over about 59% of South Plympton, in the period sampled (4 Sep 2026 to 3 Oct 2026). The lowest measured aircraft was at 500 ft, with an average of 2,500 ft. At the busiest point in the suburb about 0 aircraft a day were recorded passing over one 500 m square. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in South Plympton?
The dominant planning zone in South Plympton is General Neighbourhood, though the suburb also includes Housing Diversity Neighbourhood and Recreation.
Does South Plympton have heritage-listed places?
South Plympton has 3 heritage-listed places on record.
What is the typical lot size in South Plympton?
Across 2,428 surveyed parcels in South Plympton, the median lot size is about 412 m².
Does South Plympton have a train station?
There is no train station inside South Plympton itself. The suburb is served by 21 bus stops.
What is the population of South Plympton?
At the 2021 Census South Plympton had 4,721 usual residents, with a median age of 37 and an average household size of 2.3 people. The wider Edwardstown statistical area, which contains South Plympton, went from 12,225 people in 2001 to 15,449 in 2025, up 26%.
Is South Plympton an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), South Plympton scores 998 and sits in decile 6 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 South Plympton?
Median household income in South Plympton was $1,552 a week at the 2021 Census, against $1,579 for the typical suburb in City of Marion. Median rent was $340 a week and the median mortgage repayment $1,700 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Plympton Park | 0.8 km | 0% | 0% |
| Edwardstown | 1.2 km | 0% | 0% |
| Plympton City of West Torrens |
1.5 km | 13% | 0% |
| Glandore | 1.6 km | 2% | 0% |
| Clarence Gardens City of Mitcham |
1.6 km | 22% | 0% |
| Camden Park City of West Torrens |
1.8 km | 7% | 0% |
| Ascot Park | 1.8 km | 0% | 0% |
| Black Forest City of Unley |
1.8 km | 1% | 0% |
| Park Holme | 1.9 km | 0% | 0% |
| Morphettville | 2.0 km | 10% | 0% |