Plympton Park SA

Postcode 5038 · Marion LGA

Plympton Park is a smaller suburb in South Australia within the Marion local government area (postcode 5038). With a population of 3,881, the suburb has a mix of young professionals and families with a median age of 36. Households earn a median income of $87K per year, with an average household size of 2.4 people. The most common occupations are professionals, community & personal service, clerical & administrative. The top ancestries reported are English, Australian, Irish.

The median house price in Plympton Park is $1.2 million, having surged 21.5% over the past year. The current median weekly rent is $585. This gives a gross rental yield of approximately 2.6%. The median monthly mortgage repayment is $1,820.

Public transport access includes 4 ferry wharfves, 19 bus stops. The crime rate in the Marion LGA is moderate at 5,153 incidents per 100,000 population.

From an investment perspective, Plympton Park offers a gross rental yield of 2.6%, rated as low yield. Property prices are near the state median ($1.2M/$950K). The price-to-income ratio of 13.4x is considered stretched. House prices have moved +21.5% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.6% Low Yield
Price vs State$1.2M/$950K Near Median
Affordability13.4x Stretched
Price Momentum+21.5% Rising
SEIFA INDEX (ABS)
Advantage4/10
Education8/10
Economic2/10
Disadvantage6/10
MEDIAN HOUSE
$1.2M
21.5% YoY
MEDIAN RENT /WK
$320
POPULATION
3,881
DEMOGRAPHICS
Median Age36
Household Size2.4
HH Income /wk$1,667
Personal Income /wk$831
Mortgage /mth$1,820
CRIME (Marion LGA)
Crime Rate (per 100k)5,153
Total Incidents200
TRANSPORT
Bus Stops19
Ferry Wharves4
Stop 16 Ferry Ave - East side
Stop 16 Ferry Ave - West side
Stop 17 Ferry Ave - East side
Stop 17 Ferry Ave - West side
Data: 2025-Q4