Semaphore, SA 5019
City of Charles SturtAll suburbs in postcode 5019
Updated
Median house price
$1,325,000
Median of 11 house sales · SA Government · the latest published quarter (updated October 2026)
Selling in Semaphore?
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Semaphore at a glance
- Median unit
- $274,320
- Weekly rent
- $697
- Houses · units $540
- Population
- 2,749
- Median age 50
Prices: Median of 11 house sales · SA Government · the latest published quarter (updated October 2026) · Rent: SA rental bond data, June 2026 · Population: 2021 Census
House prices in Semaphore
Houses change hands at $1,325,000 on a typical sale, well above the South Australia median (11 house sales, SA Government quarterly medians, the latest published quarter (updated October 2026)). Units come in around $274,320, roughly 79% below the house median.
For buyers
A 20% deposit on the median house works out to roughly $265,000. Prices sit well above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.
Rental data as of June 2026· SA rental bond data
Free appraisal in Semaphore
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What to know about Semaphore
Semaphore (5019) sits in the Charles Sturt region of South Australia. The median house here is $1,325,000, well above the South Australia median of around $720K.
Semaphore has roughly 2,749 residents, with an established, older skew. Households are mostly owner-occupied. Day-to-day life here is very walkable, with most errands manageable on foot.
What it’s like to live here
Semaphore scores 100/100 on walkability, which makes it very walkable with limited public transport. Coffee, groceries and a meal out are mostly walking-distance, which keeps a household viable on one car.
Summer days here average around 30°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 401 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 8 government primary, 3 government secondary, 5 Catholic, 2 independent.
Schools in Semaphore
Location
Walkability
- Walk
- 100/100
- Transit
- 0/100
- Bike
- 100/100
Walker's paradise. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Semaphore's population at 2,749, with a median age of 50. That sits as an established, older skew. Households are mostly owner-occupied (68% own, 30% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (65% family households, 32% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Family households
- 65%
- Lone person
- 32%
- Owner occupied
- 68%
- Renter occupied
- 30%
Demographics data as of May 2026· ABS 2021 Census
Investment overview
Gross rental yield on houses sits at 2.74% (median rent $697/wk against a $1,325,000 price tag). Units yield 10.24% gross, often the better cash-flow play for first-time investors. With 30% of households renting, the leasing market is established and vacancy risk tends to be lower than in owner-dominated suburbs.
- Gross yield, housesSource: data.sa.gov.au · Oct 2026
- 2.74%
- On the $1,325,000 median
- Gross yield, unitsSource: data.sa.gov.au · Oct 2026
- 10.24%
- On the $274,320 median
Gross rental yield is a year’s rent divided by the purchase price, before expenses. It leaves out vacancy, management fees, maintenance and financing costs, so treat it as a starting point.
Crime and safety
192 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 401 mm
- Hottest month, avg max
- 29.5°C
- Coldest month, avg min
- 7.1°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Semaphore
- What is the median house price in Semaphore?
- The median house price in Semaphore, SA 5019 is $1,325,000 (The SA Government's quarterly suburb median from 11 house sales, the latest published quarter (updated October 2026)). The median unit price is $274,320.
- How much is my house worth in Semaphore?
- A useful starting point is the Semaphore median house price of $1,325,000 (units $274,320). Your home will sit above or below that depending on land size, condition, position and what comparable homes nearby have sold for recently. For a figure specific to your property, request a free property appraisal from a local agent using the form on this page.
- Is Semaphore a good investment?
- On the published figures, the gross rental yield on houses in Semaphore is 2.7%: the median weekly house rent is $697 (SA rental bond data, June 2026) against the median house price of $1,325,000 (SA Government, the latest published quarter, updated October 2026). No 12-month price change is published for Semaphore: the SA Government figures we hold do not measure one. Whether Semaphore is a good investment for you depends on the price you pay, your loan and holding costs, vacancy and your tax position. These are published market figures, not financial advice.
- What is the Semaphore postcode?
- Semaphore is in the 5019 postcode, in SA, in the City of Charles Sturt region.
- Where is Semaphore?
- Semaphore is a suburb in the City of Charles Sturt area, SA 5019.
- What is the average rent in Semaphore?
- The median weekly rent for houses is $697, for units it's $540.
- What schools are in Semaphore?
- There are 20 schools serving Semaphore on this page, including Dominican School, Le Fevre High School, Le Fevre Peninsula Primary School.
- How walkable is Semaphore?
- Semaphore has a Walk Score of 100 out of 100, very walkable. transit score 0, bike score 100.
- What suburbs are near Semaphore?
- Semaphore is close to Exeter, Glanville, Semaphore South, Ethelton, New Port.
- What is the population of Semaphore?
- The population of Semaphore is approximately 2,749 (2021 Census). The median age is 50.
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.