Semaphore South SA

Postcode 5019 · Port Adelaide Enfield LGA

Semaphore South is a small community in South Australia within the Port Adelaide Enfield local government area (postcode 5019). With a population of 1,031, the suburb has an established demographic with a median age of 44. Households earn a median income of $87K per year, with an average household size of 2.2 people. The most common occupations are professionals, managers, clerical & administrative. The top ancestries reported are English, Australian, Irish.

The median house price in Semaphore South is $1.1 million, having dropped significantly 22.5% over the past year. The current median weekly rent is $512. This gives a gross rental yield of approximately 2.5%. The median monthly mortgage repayment is $1,842.

Semaphore South is served by 1 school, including 1 secondary. The average ICSEA score is 951, which is around the national average of 1,000. Public transport access includes 7 bus stops. Healthcare facilities include 1 public hospital. The crime rate in the Port Adelaide Enfield LGA is moderate at 6,499 incidents per 100,000 population.

From an investment perspective, Semaphore South offers a gross rental yield of 2.5%, rated as low yield. Property prices are near the state median ($1.1M/$950K). The price-to-income ratio of 12.0x is considered stretched. House prices have moved -22.5% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.5% Low Yield
Price vs State$1.1M/$950K Near Median
Affordability12.0x Stretched
Price Momentum-22.5% Falling
SEIFA INDEX (ABS)
Advantage7/10
Education8/10
Economic4/10
Disadvantage8/10
MEDIAN HOUSE
$1.1M
-22.5% YoY
MEDIAN RENT /WK
$320
POPULATION
1,031
DEMOGRAPHICS
Median Age44
Household Size2.2
HH Income /wk$1,676
Personal Income /wk$930
Mortgage /mth$1,842
CRIME (Port Adelaide Enfield LGA)
Crime Rate (per 100k)6,499
Total Incidents67
TRANSPORT
Bus Stops7
SCHOOLS (1)
Avg ICSEA951
Total Students456
Government1
Le Fevre High SchoolSecondary · Government · ICSEA 951
HOSPITALS (1)
St Margaret's Hospitalpublic
Data: 2025-Q4