Semaphore, SA 5019 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Semaphore is a suburb of South Australia, postcode 5019, home to 2,749 residents with a settled, mature community. Located in the Charles Sturt local government area and roughly 14 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 2,749
- Median age
- 50 years
- Median household income
- $1,718 /week
- Median personal income
- $857 /week
- Median family income
- $2,362 /week
- Average household size
- 2.2
- Persons per bedroom
- 0.8
- Local government area
- Port Adelaide Enfield
- Statistical region (SA4)
- Adelaide - West
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Hindmarsh
Property & cost of living
- Median rent
- $320 /week
- Median monthly mortgage
- $1,733
- Rent share of household income
- 19%
Schools
- Le Fevre High School
- Dominican School
- Westport Primary School
- Portside Christian College
- West Lakes Shore School R-7
Transport
- Within 800 m walk: 11 bus stops
- Within 1.6 km: 1 train stop, 48 bus stops
- Stop 39M Military Rd - West side
- Stop 39M Military Rd - East side
- Stop 40M Military Rd - West side
- Stop 40M Military Rd - East side
- Glanville Railway Station
Lifestyle & amenities
- 9 cafés
- 37 restaurants
- 10 pubs and bars
- 19 parks and reserves
- 2 gyms and fitness centres
- 2 libraries
- 3 supermarkets
- 17 playgrounds
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (15.0°C avg max)
- Annual rainfall: 437 mm
- Reference station: Adelaide Airport, 12.0 km away
NBN & connectivity
Fibre to the Node serves 64.5% of the 1,674 resolvable premises in Semaphore. Most premises here connect via fibre to a street cabinet, then copper into the home. Speeds depend heavily on the copper run length — NBN 100 is rarely achievable on long runs.
- Fibre to the Premises: 35.5%
- Hybrid Fibre-Coaxial: 0.1%
- Fibre to the Node: 64.5%
Safety
- Recorded offences: 904 across postcode 5019 in the year to FY2024–25 (up 18% on the prior year).
- Most common categories: 263 violent offences, 225 theft, 202 property damage.
Frequently asked questions
What is the population of Semaphore?
Semaphore (SA 5019) had 2,749 residents at the most recent ABS Census. The median age is 50. It sits within the Port Adelaide Enfield local government area.
What is the median rent in Semaphore?
The median advertised rent in Semaphore is $320/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Semaphore?
Yes — 5 schools are listed within or near Semaphore covering government, independent sectors. Nearest include: Le Fevre High School (0.8 km), Dominican School (1.3 km), Westport Primary School (1.5 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Semaphore?
Semaphore is predominantly served by Fibre to the Node (64.5% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Semaphore?
Across postcode 5019, 904 offences were recorded in the 12 months to FY2024–25. The most common offence categories were violent (263), theft (225), property damage (202). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Semaphore?
In Semaphore, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (12 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Semaphore?
49 public transport stops are mapped within 1.6 km of the Semaphore centroid. Within 800 m, you'll find 11 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: