Old Noarlunga SA

Postcode 5168 · Onkaparinga LGA

Old Noarlunga is a small community in South Australia within the Onkaparinga local government area (postcode 5168). With a population of 1,531, the suburb has an established demographic with a median age of 41. Households earn a median income of $77K per year, with an average household size of 2.5 people. The most common occupations are technicians & trades, labourers, professionals. The top ancestries reported are English, Australian, Scottish.

The median house price in Old Noarlunga is $856,000, having dropped significantly 11.6% over the past year. The current median weekly rent is $602. This gives a gross rental yield of approximately 3.7%. The median monthly mortgage repayment is $1,395.

Old Noarlunga is served by 1 school, including 1 primary. The average ICSEA score is 999, which is around the national average of 1,000. Public transport access includes 15 bus stops. The crime rate in the Onkaparinga LGA is higher than average at 9,210 incidents per 100,000 population.

From an investment perspective, Old Noarlunga offers a gross rental yield of 3.7%, rated as moderate yield. Property prices are near the state median ($856K/$950K). The price-to-income ratio of 11.1x is considered stretched. House prices have moved -11.6% year-on-year.

INVESTMENT SIGNALS
Rental Yield3.7% Moderate Yield
Price vs State$856K/$950K Near Median
Affordability11.1x Stretched
Price Momentum-11.6% Falling
SEIFA INDEX (ABS)
Advantage3/10
Education2/10
Economic3/10
Disadvantage2/10
MEDIAN HOUSE
$856K
-11.6% YoY
MEDIAN RENT /WK
$305
POPULATION
1,531
DEMOGRAPHICS
Median Age41
Household Size2.5
HH Income /wk$1,485
Personal Income /wk$704
Mortgage /mth$1,395
CRIME (Onkaparinga LGA)
Crime Rate (per 100k)9,210
Total Incidents141
TRANSPORT
Bus Stops15
SCHOOLS (1)
Avg ICSEA999
Total Students155
Government1
Old Noarlunga Primary SchoolPrimary · Government · ICSEA 999
Data: 2025-Q4