Semaphore Park at a glance
Median house
$952,500
-23.9% over 12 months
Median unit
$274,320
Weekly rent
$620
Houses · units $550
Gross yield
3.4%
Houses, on the median
Population
4,541
Median age 46
Walk score
16
Very car dependent
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
Houses change hands at $952,500 on a typical sale, 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 71% below the house median. The 12-month picture shows a softening market (-23.9%), giving buyers more room to negotiate.
For buyers
A 20% deposit on the median house works out to roughly $191,000. Prices sit above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.
For sellers
With 12-month growth at -23.9%, pricing should anchor to the most recent six months of comparables, not last year's peak.
Market
House prices in Semaphore Park.
Median house price
$952,500
-23.9% over the past year. Median unit price $274,320.
Median of 11 house sales · SA Government · the latest published quarter (updated October 2026)
Rental and ownership
Weekly rent (house)
$620/wk
Weekly rent (unit)
$550/wk
Owner occupied
59%
Renter occupied
37%
At a deeper level
$952,500
-23.9% annual growth
$274,320
4,541
Median age: 46
Rental data as of June 2026· rental-sa
5-year trajectory
at -23.9%/yr
2021
$3.7M
5-year change
-74%
2026
$953K
Trajectory derived from the current median compounded at the suburb’s annual growth rate, not raw sale-by-sale history.
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The brief
What to know about Semaphore Park.
Semaphore Park's median house price is $952,500 (The SA Government's quarterly suburb median from 11 house sales, the latest published quarter (updated October 2026)).
Postcode 5019 (SA), City of Charles Sturt, part of Greater Adelaide.
Semaphore Park (5019) sits in the Charles Sturt region of South Australia. The median house here is $952,500, above the South Australia median of around $720K. Prices have moved -23.9% over the past year, well behind the South Australia average (5%).
Semaphore Park has roughly 4,541 residents, with an established, older skew. Households are a roughly even mix of owners and renters. Daily life is car-dependent: most residents drive to work, school and the shops.
Side by side
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Day to day
What it’s like to live here.
Semaphore Park scores 16/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 9 government primary, 3 government secondary, 5 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Semaphore Park's population at 4,541, with a median age of 46. That sits as an established, older skew. Households are a roughly even mix of owners and renters (59% own, 37% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (61% family households, 36% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
4,541
Median age
46
Family households
61%
Lone person
36%
Demographics data as of May 2026· ABS 2021 Census
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For investors
Investment overview.
Gross rental yield on houses sits at 3.38% (median rent $620/wk against a $952,500 price tag). Units yield 10.43% gross, often the better cash-flow play for first-time investors. With 37% of households renting, the leasing market is established and vacancy risk tends to be lower than in owner-dominated suburbs.
Gross Yield (House)
Source: data.sa.gov.au · Oct 20263.38%
Based on $952,500 median
Gross Yield (Unit)
Source: data.sa.gov.au · Oct 202610.43%
Based on $274,320 median
Annual Growth (House)
Source: data.sa.gov.au · Oct 2026-23.9%
Year-on-year capital growth
Annual Growth (Unit)
Source: data.sa.gov.au · Oct 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202659%
Higher = more owner-occupier demand
Days on Market
Source: data.sa.gov.au · Oct 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
Safety
Crime and safety.
495
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Getting around
Walkability.
16
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Semaphore Park.
Local schools for Semaphore Park
View the catchment for each school to find out more.
Government School Catchment
Westport Primary School
Le Fevre High School
West Lakes Shore School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Semaphore Park.
- What is the median house price in Semaphore Park?
- The median house price in Semaphore Park, SA 5019 is $952,500 (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. Annual growth is -23.9%.
- How much is my house worth in Semaphore Park?
- A useful starting point is the Semaphore Park median house price of $952,500 (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 Park a good investment?
- On the published figures, the gross rental yield on houses in Semaphore Park is 3.4%: the median weekly house rent is $620 (SA rental bond data, June 2026) against the median house price of $952,500 (SA Government, the latest published quarter, updated October 2026). The median house price fell 23.9% over 12 months on the same SA Government figures. Whether Semaphore Park 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 Park postcode?
- Semaphore Park is in the 5019 postcode, in SA, in the City of Charles Sturt region.
- Where is Semaphore Park?
- Semaphore Park is a suburb of Adelaide, in SA 5019. It is part of the Greater Adelaide area, in the City of Charles Sturt region.
- What is the average rent in Semaphore Park?
- The median weekly rent for houses is $620, for units it's $550.
- What schools are in Semaphore Park?
- There are 20 schools serving Semaphore Park on this page, including Westport Primary School, Le Fevre High School, West Lakes Shore School.
- How walkable is Semaphore Park?
- Semaphore Park has a Walk Score of 16 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Semaphore Park?
- Semaphore Park is close to Semaphore South, Ethelton, West Lakes Shore, Glanville, New Port.
- What is the population of Semaphore Park?
- The population of Semaphore Park is approximately 4,541 (2021 Census). The median age is 46.
Semaphore Park
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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