Seacliff SA

Postcode 5049 · Holdfast Bay LGA

Seacliff is a smaller suburb in South Australia within the Holdfast Bay local government area (postcode 5049). With a population of 2,117, the suburb has a mature demographic with a median age of 46. Households earn a median income of $100K per year, with an average household size of 2.4 people. The most common occupations are professionals, managers, community & personal service. The top ancestries reported are English, Australian, Irish.

The median house price in Seacliff is $1.5 million, having dropped significantly 60.9% over the past year. The current median weekly rent is $600. This gives a gross rental yield of approximately 2.0%. The median monthly mortgage repayment is $1,950.

Seacliff is served by 1 school, including 1 primary. The average ICSEA score is 1094, which is above the national average of 1,000. Public transport access includes 1 rail station, 11 bus stops. The crime rate in the Holdfast Bay LGA is below average at 2,787 incidents per 100,000 population.

From an investment perspective, Seacliff offers a gross rental yield of 2.0%, rated as low yield. Property prices are above the state median ($1.5M/$950K), placing it in the premium segment. The price-to-income ratio of 15.2x is considered stretched. House prices have moved -60.9% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.0% Low Yield
Price vs State$1.5M/$950K Above Median
Affordability15.2x Stretched
Price Momentum-60.9% Falling
SEIFA INDEX (ABS)
Advantage9/10
Education10/10
Economic6/10
Disadvantage9/10
MEDIAN HOUSE
$1.5M
-60.9% YoY
MEDIAN RENT /WK
$350
POPULATION
2,117
DEMOGRAPHICS
Median Age46
Household Size2.4
HH Income /wk$1,931
Personal Income /wk$948
Mortgage /mth$1,950
CRIME (Holdfast Bay LGA)
Crime Rate (per 100k)2,787
Total Incidents59
TRANSPORT
Rail Stations1
Bus Stops11
Seacliff Railway Station
SCHOOLS (1)
Avg ICSEA1094
Total Students356
Government1
Seacliff Primary SchoolPrimary · Government · ICSEA 1094
Data: 2025-Q4