Semaphore Park at a glance
Median house
$1,115,000
+13.2% year on year
Median unit
$274,320
Walk score
16
Very car dependent
Population
4,541
Median age 46
The brief
What to know about Semaphore Park.
The postcode for Semaphore Park is 5019 (SA), part of Greater Adelaide.
The median house price in Semaphore Park is $1,115,000.
Semaphore Park (5019) sits in the Charles Sturt region of South Australia. The median house here is $1,115,000, well above the South Australia median of around $720K. Prices have moved +13.2% over the past year, well clear of 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.
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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
Houses change hands at $1,115,000 on a typical sale, well above the South Australia median. Units come in around $274,320, roughly 75% below the house median. The last 12 months delivered strong growth (+13.2%) — well clear of the long-run average for the state.
For buyers
A 20% deposit on the median house works out to roughly $223,000. Prices sit well above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.
For sellers
Twelve-month growth is +13.2%, supporting confident pricing at the upper end of recent comparables.
Market
The price of a home here.
Median house price
$1,115,000
+13.2% over the past year. Median unit price $274,320.
Sales data as of July 2026· sales-sa
Rental and ownership
Weekly rent (house)
$680/wk
Weekly rent (unit)
$540/wk
Owner occupied
59%
Renter occupied
37%
At a deeper level
$1,115,000
+13.2% annual growth
$274,320
4,541
Median age: 46
Rental data as of March 2026· rental-sa
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For investors
Investment overview.
Gross rental yield on houses sits at 3.17% (median rent $680/wk against a $1,115,000 price tag). Units yield 10.24% 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. The 12-month growth of +13.2% adds a capital-growth case on top of the yield.
Gross Yield (House)
Source: data.sa.gov.au · July 20263.17%
Based on $1,115,000 median
Gross Yield (Unit)
Source: data.sa.gov.au · July 202610.24%
Based on $274,320 median
Annual Growth (House)
Source: data.sa.gov.au · July 2026+13.2%
Year-on-year capital growth
Annual Growth (Unit)
Source: data.sa.gov.au · July 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 · July 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.
5-year trajectory
at +13.2%/yr
2021
$600K
5-year change
+86%
2026
$1.1M
Trajectory derived from the current median compounded at the suburb’s annual growth rate, not raw sale-by-sale history.
Safety
Crime and safety.
340
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 $1,115,000. The median unit price is $274,320. Annual growth is +13.2%.
- 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 $680, for units it's $540.
- 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.
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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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