Semaphore SA 5019
Semaphore is in Port Adelaide Enfield LGA, SA, postcode 5019, with population 2,749.
Strong evidence
Semaphore has enough direct local evidence for a first-pass decision.
Direct signals include Property prices, Market rent, Crime, and Schools. Missing or weaker areas are still shown so the page does not overstate precision.
Semaphore has usable rent context. No strong rent pressure, affordability stress, or investor-rent signal is visible from the provided context.
Open matching rent ranking →911 latest-year approvals in Port Adelaide Enfield, +0.0% YoY; population +1.2% YoY (1.5% 5yr).
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Release-based suburb price series, not a live market feed
Use current rent as a starting signal, not as a fixed underwriting truth.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
Rent context available
Semaphore has usable rent context. Snapshot rent $538/wk.
No strong rent pressure, affordability stress, or investor-rent signal is visible from the provided context.
Semaphore has enough direct local evidence for a first-pass decision.
Direct signals include Property prices, Market rent, Crime, and Schools. Missing or weaker areas are still shown so the page does not overstate precision.
Use compare to test the suburb against another candidate, then validate financial assumptions in the calculator where available.
Property prices, Market rent, Crime, Schools
No fallback or lower-precision signals flagged.
Hospitals
Semaphore currently reads as a growth-momentum candidate.
Recent price movement shows visible market momentum. Transport coverage adds a practical access signal. Gross yield looks low for an income-first use case.
Compare it against a contrasting suburb before turning it into a decision.
Recent price movement shows visible market momentum. Transport coverage adds a practical access signal.
Gross yield looks low for an income-first use case.
No decisive evidence gap was detected from the current inputs.
Compare-ready
- Buyers want a quick sense of price, schools, and neighbourhood scale before getting lost in data.
- Investors want to know whether rent, yield, and affordability broadly support the suburb story.
- Researchers want one place that ties property, demographics, transport, and services together.
Price history
Full data detail
Semaphore SA
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. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.2% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. SA also had 23 Commonwealth-backed major projects under construction, 2 underway, and 11 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, managers, community & personal service. Employment in the area leans toward healthcare and education. The top ancestries reported are English, Australian, Irish.
The median house price in Semaphore is $1.3 million, having surged 24.6% 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 +24.6% year-on-year. Population growth of +1.2% year-on-year indicates stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.2% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. SA also had 23 Commonwealth-backed major projects under construction, 2 underway, and 11 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, managers, community & personal service. Employment in the area leans toward healthcare and education. The top ancestries reported are English, Australian, Irish.
The median house price in Semaphore is $1.3 million, having surged 24.6% 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 +24.6% year-on-year. Population growth of +1.2% year-on-year indicates stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
Semaphore FAQ
Common questions-
What LGA is Semaphore in?
Semaphore is in the Port Adelaide Enfield Local Government Area, SA, postcode 5019. Council-level context for Port Adelaide Enfield LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
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What is the median house price in Semaphore?
The current median house price in Semaphore, SA is $1.3M, based on the latest available sales data from state Valuers General offices and ABS Data by Region.
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What is the typical weekly rent in Semaphore?
The median weekly rent in Semaphore is $538/wk, based on the current market rent dataset. The current rent signal is rent context available.
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What does the rent signal say about Semaphore?
Rent context available: Semaphore has usable rent context. Use this as a suburb screening signal before comparing candidates or modelling a purchase; the matching rent ranking can provide broader market context.
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Is Semaphore a good investment?
QuickProperty's investment signals for Semaphore show: Low Yield, Above Median, Stretched. These are computed from price, rent, income, and population data — not an opaque score.
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Where does QuickProperty get its data for Semaphore?
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
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How often is the Semaphore data updated?
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.