Semaphore SA

Postcode 5019 · Port Adelaide Enfield LGA

Semaphore is a smaller suburb in South Australia within the Port Adelaide Enfield local government area (postcode 5019). With a population of 2,749, the suburb has a mature demographic with a median age of 50. Households earn a median income of $89K per year, with an average household size of 2.2 people. The most common occupations are professionals, managers, community & personal service. The top ancestries reported are English, Australian, Irish.

The median house price in Semaphore is $1.3 million, having remained flat 0% over the past year. The current median weekly rent is $538. This gives a gross rental yield of approximately 2.2%. The median monthly mortgage repayment is $1,733.

Semaphore is served by 1 school, including 1 primary. The average ICSEA score is 1048, which is around the national average of 1,000. Public transport access includes 14 bus stops. The crime rate in the Port Adelaide Enfield LGA is higher than average at 9,640 incidents per 100,000 population.

From an investment perspective, Semaphore offers a gross rental yield of 2.2%, rated as low yield. Property prices are above the state median ($1.3M/$950K), placing it in the premium segment. The price-to-income ratio of 14.6x is considered stretched. House prices have moved +0.0% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.2% Low Yield
Price vs State$1.3M/$950K Above Median
Affordability14.6x Stretched
Price Momentum+0.0% Stable
SEIFA INDEX (ABS)
Advantage6/10
Education8/10
Economic4/10
Disadvantage7/10
MEDIAN HOUSE
$1.3M
0% YoY
MEDIAN RENT /WK
$320
POPULATION
2,749
DEMOGRAPHICS
Median Age50
Household Size2.2
HH Income /wk$1,718
Personal Income /wk$857
Mortgage /mth$1,733
CRIME (Port Adelaide Enfield LGA)
Crime Rate (per 100k)9,640
Total Incidents265
TRANSPORT
Bus Stops14
SCHOOLS (1)
Avg ICSEA1048
Total Students230
Catholic1
Dominican SchoolPrimary · Catholic · ICSEA 1048
Data: 2025-Q4