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South Australia · Postcode 5038
South Plympton postcode and suburb data
South Australia · Phone area code 08 · 7 km from Adelaide
Suburb snapshot
South Plympton at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Detailed comparison table
South Plympton vs the SA average and the national average, using population-weighted 2021 Census data.
| 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
Location, Census, housing, SEIFA and geography fields used across this profile.
| 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 |
| State Electorate | Morphett |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
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
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
ACARA 2025 school profiles for schools located in South Plympton. ICSEA is shown where ACARA publishes it.
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.