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South Plympton Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How South Plympton Compares
South Plympton vs the SA average and the national average (2021 Census, population-weighted).
| Metric | South Plympton | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,552 ≈SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $340 +SA | $308 | $390 | $329 |
| Mortgage/month | $1,700 ≈SA | $1,558 | $1,958 | $1,666 |
| Median age | 37 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 6/10 ≈SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 5.9% ≈SA | 6.0% | 5.0% | 6.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
South Plympton is a coastal suburb of Adelaide in South Australia, with postcode 5038. It sits about 7 km from the Adelaide CBD, within the Marion local government area. The suburb footprint covers roughly 1.6 square kilometres.
According to the 2021 Census, South Plympton has a population of 4,721 with a median age of 37. The median weekly household income is $1,552, close to the SA average. The unemployment rate is 5.9%. The Indigenous population is 56 (1.2% of residents).
Housing in South Plympton includes a median weekly rent of $340, median monthly mortgage repayment of $1,700, with 1,963 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 68.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, South Plympton scores in decile 6 out of 10, which is around the national average.
Schools in South Plympton include Emmaus Christian College and Forbes Primary School.
South Plympton is part of the West Torrens statistical area in South Australia.
South Plympton Details
| Postcode | 5038 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 4,721 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $1,552/week |
| Median Personal Income (Census 2021) | $805/week |
| Median Weekly Rent (Census 2021) | $340 |
| Median Monthly Mortgage (Census 2021) | $1,700 |
| Average Household Size | 2.3 persons |
| Area | 1.6 km² |
| Population Density | 3015/km² |
| Total Dwellings | 1,963 |
| Australian Citizens | 83.6% |
| Indigenous Population | 56 (1.2%) |
| Unemployment Rate | 5.9% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -34.977 |
| Longitude | 138.556 |
| Distance from Adelaide | 7 km |
| Region (SA4) | Adelaide - West |
| Area (SA3) | West Torrens |
| Local Government | Marion |
| Federal Electorate | Boothby |
Age Profile
Show counts
| 0–14 years | 745 (15.8%) |
| 15–24 years | 539 (11.4%) |
| 25–44 years | 1,533 (32.5%) |
| 45–64 years | 1,059 (22.4%) |
| 65+ years | 843 (17.9%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 406 (8.6%) |
| Asthma | 339 (7.2%) |
| Diabetes | 219 (4.6%) |
| Heart Disease | 197 (4.2%) |
| Cancer | 143 (3.0%) |
| Lung Condition | 59 (1.2%) |
| Dementia | 25 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 171 (8.8%) |
| 1 vehicle | 802 (41.4%) |
| 2 vehicles | 681 (35.2%) |
| 3+ vehicles | 281 (14.5%) |
Schools in South Plympton
Suburbs Near South Plympton
Same Postcode (5038)
More South Plympton Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.