Tonsley SA

Postcode 5042 · Marion LGA

Tonsley is a small community in South Australia within the Marion local government area (postcode 5042). With a population of 743, the suburb has a young professional demographic with a median age of 31. Households earn a median income of $76K per year, with an average household size of 2 people. The most common occupations are professionals, community & personal service, clerical & administrative. The top ancestries reported are Australian, English, Chinese.

The median house price in Tonsley is $820,000, having increased 2.8% over the past year. The current median weekly rent is $648. This gives a gross rental yield of approximately 4.1%. The median monthly mortgage repayment is $1,500.

Public transport access includes 1 rail station, 5 bus stops. The crime rate in the Marion LGA is higher than average at 14,132 incidents per 100,000 population.

From an investment perspective, Tonsley offers a gross rental yield of 4.1%, rated as moderate yield. Property prices are near the state median ($820K/$950K). The price-to-income ratio of 10.7x is considered stretched. House prices have moved +2.8% year-on-year.

INVESTMENT SIGNALS
Rental Yield4.1% Moderate Yield
Price vs State$820K/$950K Near Median
Affordability10.7x Stretched
Price Momentum+2.8% Stable
SEIFA INDEX (ABS)
Advantage3/10
Education8/10
Economic1/10
Disadvantage4/10
MEDIAN HOUSE
$820K
2.8% YoY
MEDIAN RENT /WK
$330
POPULATION
743
DEMOGRAPHICS
Median Age31
Household Size2
HH Income /wk$1,470
Personal Income /wk$788
Mortgage /mth$1,500
CRIME (Marion LGA)
Crime Rate (per 100k)14,132
Total Incidents105
TRANSPORT
Rail Stations1
Bus Stops5
Tonsley Railway Station
Data: 2025-Q4