Willunga SA

Postcode 5172 · Onkaparinga LGA

Willunga is a smaller suburb in South Australia within the Onkaparinga local government area (postcode 5172). With a population of 2,445, the suburb has a mature demographic with a median age of 47. Households earn a median income of $87K per year, with an average household size of 2.5 people. The most common occupations are professionals, managers, technicians & trades. The top ancestries reported are English, Australian, Scottish.

The median house price in Willunga is $962,000, having declined 3.6% over the past year. The current median weekly rent is $495. This gives a gross rental yield of approximately 2.7%. The median monthly mortgage repayment is $1,683.

Willunga is served by 3 schools, including 1 primary, 1 secondary, 1 combined. The average ICSEA score is 1031, which is around the national average of 1,000. Public transport access includes 14 bus stops. The crime rate in the Onkaparinga LGA is low at 1,513 incidents per 100,000 population.

From an investment perspective, Willunga offers a gross rental yield of 2.7%, rated as low yield. Property prices are near the state median ($962K/$950K). The price-to-income ratio of 11.0x is considered stretched. House prices have moved -3.6% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.7% Low Yield
Price vs State$962K/$950K Near Median
Affordability11.0x Stretched
Price Momentum-3.6% Falling
INCOME (ATO 2022-23)
Median Income$49,763
Mean Income$63,153
Earners2,560
YoY Change+2.7%
SEIFA INDEX (ABS)
Advantage8/10
Education8/10
Economic7/10
Disadvantage8/10
MEDIAN HOUSE
$962K
-3.6% YoY
MEDIAN RENT /WK
$330
POPULATION
2,445
DEMOGRAPHICS
Median Age47
Household Size2.5
HH Income /wk$1,681
Personal Income /wk$780
Mortgage /mth$1,683
CRIME (Onkaparinga LGA)
Crime Rate (per 100k)1,513
Total Incidents37
TRANSPORT
Bus Stops14
SCHOOLS (3)
Avg ICSEA1031
Total Students1,429
Government2
Independent1
Willunga High SchoolSecondary · Government · ICSEA 994
Willunga Waldorf SchoolCombined · Independent · ICSEA 1072
Willunga Primary SchoolPrimary · Government · ICSEA 1027
Data: 2025-Q4