Seacombe Heights SA

Postcode 5047 · Marion LGA

Seacombe Heights is a small community in South Australia within the Marion local government area (postcode 5047). With a population of 1,549, the suburb has an established demographic with a median age of 40. Households earn a median income of $100K per year, with an average household size of 2.6 people. The most common occupations are professionals, clerical & administrative, technicians & trades. The top ancestries reported are English, Australian, Scottish.

The median house price in Seacombe Heights is $985,000, having dropped significantly 9.7% over the past year. The current median weekly rent is $490. This gives a gross rental yield of approximately 2.6%. The median monthly mortgage repayment is $1,850.

Seacombe Heights is served by 1 school, including 1 secondary. The average ICSEA score is 1038, which is around the national average of 1,000. Public transport access includes 10 bus stops. The crime rate in the Marion LGA is below average at 2,066 incidents per 100,000 population.

From an investment perspective, Seacombe Heights offers a gross rental yield of 2.6%, rated as low yield. Property prices are near the state median ($985K/$950K). The price-to-income ratio of 9.9x is considered moderate. House prices have moved -9.7% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.6% Low Yield
Price vs State$985K/$950K Near Median
Affordability9.9x Moderate
Price Momentum-9.7% Falling
SEIFA INDEX (ABS)
Advantage8/10
Education8/10
Economic7/10
Disadvantage8/10
MEDIAN HOUSE
$985K
-9.7% YoY
MEDIAN RENT /WK
$380
POPULATION
1,549
DEMOGRAPHICS
Median Age40
Household Size2.6
HH Income /wk$1,917
Personal Income /wk$815
Mortgage /mth$1,850
CRIME (Marion LGA)
Crime Rate (per 100k)2,066
Total Incidents32
TRANSPORT
Bus Stops10
SCHOOLS (1)
Avg ICSEA1038
Total Students1,377
Government1
Seaview High SchoolSecondary · Government · ICSEA 1038
Data: 2025-Q4